Cloudflare monitors the web for potentially malicious domains, but the domain used in this attack was registered only an hour before the first phishing messages went out and the company had yet to notice them. This domain was registered via the Porkbun domain registrar, also used to register web domains used to host landing pages seen in the Twilio attack. Secure Code Warrior is a Gartner Cool Vendor! According to Cloudflare, the phishing page was also set up to deliver the AnyDesk remote access software, which would give the attacker control over the victims computer. This real-time relay was important because the phishing page would also prompt for a Time-based One Time Password (TOTP) code. Along with Twilio and Cloudflare, other companies believed to have been targeted by the 0ktapus campaign include Mailchimp and DigitalOcean Holdings Inc. The messages made false claims such as a change in an employee's schedule, or the password they used to log in to their work account had changed. "While the attacker attempted to log in to our systems with the compromised username and password credentials, they could not get past the hard key requirement.". We're all human and we make mistakes. It's critically important that when we do, we report them and don't cover them up.". However, Cloudflare does not use TOTP codes. The best proactive remediation effort companies can make is to have users reset all their passwords, especially Okta, because the extent and cause of the breach are still unknown.. Cloudflare said . All Rights Reserved. Ars may earn compensation on sales from links on this site. "Having a paranoid but blame-free culture is critical for security," the officials wrote. This is the difference between Twilio, which was breached, and CloudFlare, which stopped the same attackers. This report compares the performances of Cloudflare Inc (NET) and Twilio Inc. (TWLO) stocks. The revelation was buried in a lengthy incident report updated and concluded yesterday. August 10, 2022 Ravie Lakshmanan Web infrastructure company Cloudflare on Tuesday disclosed at least 76 employees and their family members received text messages on their personal and work phones bearing similar characteristics as that of the sophisticated phishing attack against Twilio. However, although the attackers got their hands on Cloudflare employees' accounts, they failed to breach its systems after their attempts to log in using them were blocked since they didn't have access to their victims' company-issued FIDO2-compliant security keys. It is one of the largest banking institutions in the US and is the parent company of the US Bank National Association. According to the web performance and security company Cloudflare, several of its employees' credentials were also recently stolen in an SMS phishing attack. Twilio and a leading forensic firm conducted an extensive investigation into the incident, and we provided updates to our blog as information became available. The messages came. Twitter? We confirmed that three Cloudflare employees fell for the phishing message and entered their credentials. Learn how to perform vulnerability assessments and keep your company protected against cyber attacks. Twilio figured out who has targeted its systems based on a thorough investigation. However, Cloudflare's security systems stopped the attack. The Twilio breach is part of a wider campaign from a threat actor tracked as "0ktapus," which targeted at least 130 organizations, including Mailchimp and Cloudflare. To receive periodic updates and news from BleepingComputer, please use the form below. "The three employees who fell for the phishing scam were not reprimanded. 2022-08-11 03:57 Web infrastructure company Cloudflare on Tuesday disclosed at least 76 employees and their family members received text messages on their personal and work phones bearing similar characteristics as that of the sophisticated phishing attack against Twilio. The industry should think about removing the burden of logins and passwords from employees who are susceptible to social engineering and sophisticated phishing attacks, Yaari said. Apparently, the threat actors go by the name of Scatter Swine or 0ktapus. Net infrastructure firm Cloudflare on Tuesday disclosed at the very least 76 staff and their relations obtained textual content messages on their private and work telephones bearing comparable traits as that of the subtle phishing assault in opposition to Twilio. "We have heard from other companies that they, too, were subject to similar attacks, and have coordinated our response to the threat actors including collaborating with carriers to stop the malicious messages, as well as their registrars and hosting providers to shut down the malicious URLs," Twilio said. The SMS messages the hacker sent Twilio employees contained a URL that directed them to a page designed to look like the company's official login page. Many cybersecurity leaders and organizations are touting the fake fact that MFA stops 99% of all hacking attacks, he said. Background. In response to the attack, Cloudflare has taken several steps, including: Identifying each employee credential that was affected and resetting their information. We really want to hear from you, and were looking forward to seeing you at the event and in theCUBE Club. This also meant that the attack could defeat 2FA roadblocks, as the Time-based One Time Password (TOTP) codes inputted on the fake landing page were transmitted in an analogous manner, enabling the adversary to sign-in with the stolen passwords and TOTPs. Details of the second breach come as Twilio noted the threat actors accessed the data of 209 customers, up from 163 it reported on August 24, and 93 Authy users. Your California Privacy Rights | Do Not Sell My Personal Information The hack of Twilio also exposed data from the encrypted messaging app Signal. Presumably, the attacker would receive the credentials in real-time, enter them in a victim companys actual login page, and, for many organizations that would generate a code sent to the employee via SMS or displayed on a password generator. In an interesting twist, the Group-IB researchers were able to link at least one member of the group behind 0ktapus to a Twitter and GitHub account that suggests that the individual may be based in North Carolina. In total, there are 7 sections in this report. The Twilio breach is part of a wider campaign from a threat actor tracked as "0ktapus," which targeted at least 130 organizations, including Mailchimp and Cloudflare. In both cases, the attackers somehow obtained the home and work phone numbers of both employees and, in some cases, their family members. 7 HOURS AGO, BLOCKCHAIN - BY DUNCAN RILEY . It's impressive that despite three of its employees falling for the scam, Cloudflare kept its systems from being breached. "Around the same time as Twilio was attacked, we saw an attack with very similar characteristics . When the attacks on Cloudflare, at least 76 employees received a message in the first minute. Stephen Weigand August 9, 2022 A screen image of a phishing site sent to Cloudflare employees via text message. As detailedtoday by researchers at Group-IB Global Pvt. However, in the case of Cloudflare, while three employees did enter their credentials on the phishing site, the company uses physical security keys from vendors such as YubiKey for two-factor authentication, which prevented the attacker from accessing its systems. The assault, which transpired across the similar time Twilio was focused, got here from 4 [] Those behind 0ktapus then used the data stolen from Okta in March to carry out subsequent supply chain attacks. Cloudflare uses Okta identity services and the phishing page looked identical to the legitimate Okta login page. It did not mention if the attacker encountered any multi-factor authentication (MFA) roadblocks. Click here to join the free and open Startup Showcase event. That kind of thing? "Despite this response, the threat actors have continued to rotate through carriers and hosting providers to resume their attacks. Twilio suffers data breach after its employees were targeted by a phishing campaign. Follow THN on. The Hacker News, 2022. The attack was part of a larger campaign from the Scatter Swine threat group (aka 0ktapus) that hit upwards of 130 organizations, including MailChimp, Klaviyo, and Cloudflare. August 11, 2022 Severity High Analysis Summary Cloudflare claims that some of its employees' credentials were also stolen in an SMS phishing attack identical to the one that led to the breach of Twilio's network last week. Understand the steps to improve development team security maturity, challenges and real-life lessons learned. Bogus SMS messages (smishing) were sent in mid-July. Once an employee entered credentials into the fake site, it initiated the download of a phishing payload that, when clicked, installed remote desktop software from AnyDesk. Read our affiliate link policy. On August 7, Twilio disclosed a data breach, saying phishers fooled some of its employees into providing their credentials and then used them to access the company's internal systems. The San Francisco-based firm did not reveal the exact number of customers impacted by the June incident, and why the disclosure was made four months after it took place. Twilio revealed over the weekend that it became aware of unauthorized access to some of its systems on August 4. Related: Cryptocurrency Services Hit by Data Breach at CRM Company HubSpot, Related: Microsoft, Okta Confirm Data Breaches Involving Compromised Accounts, 2022 ICS Cyber Security Conference | USA [Hybrid: Oct. 24-27], 2022 CISO Forum: September 13-14 - A Virtual Event, Virtual Event Series - Security Summit Online Events by SecurityWeek, 2022 Singapore/APAC ICS Cyber Security Conference]. Read our posting guidelinese to learn what content is prohibited. Or are they mostly for large corporations? "Since the hard keys are tied to users and implement origin binding, even a sophisticated, real-time phishing operation like this cannot gather the information necessary to log in to any of our systems," Cloudflare said. Cloudflare employees also hit by hackers behind Twilio breach, Block the phishing domain using Cloudflare Gateway, Identify all impacted Cloudflare employees and reset compromised credentials, Identify and take down threat-actor infrastructure, Update detections to identify any subsequent attack attempts, Audit service access logs for any additional indications of attack. 2022 Cond Nast. Use of and/or registration on any portion of this site constitutes acceptance of our User Agreement (updated 1/1/20) and Privacy Policy and Cookie Statement (updated 1/1/20) and Ars Technica Addendum (effective 8/21/2018). Inside of your new github-sms-notifications directory, index.js represents the entry point to your Cloudflare Workers application. The activity has been condemned 0ktapus by Group-IB because the initial goal of the attacks was to "obtain Okta identity . Matthew Prince, Daniel Stinson-Diess, Sourov ZamanCloudflare's CEO, senior security engineer and incident response leader respectivelyhad a similar take. Twilio recently suffered a data breach when a threat actor used SMS phishing messages to dupe numerous Twilio employees into sharing their login credentials. The company disclosed the data breach in a post on its blog, noting that only "a limited . Ad Choices. As Cloudflare also revealed, after entering their credentials on the phishing pages, AnyDesk remote access software was automatically downloaded on their computers to allow the threat actors to take control of their computers remotely if installed. The threat actor promptly swiped any login credentials entered on the malicious site. (via Cloudflare) One day after Twilio announced a breach after an attacker. Unlike Cloudflare, the company said the attackers were able to access some of its customers' data after breaching internal systems using stolen employee credentials in an SMS phishing attack. But Cloudflare said the attackers failed to compromise its network after having their attempts blocked by phishing-resistant hardware security keys. "This was a sophisticated attack targeting employees and systems in such a way that we believe most organizations would be likely to be breached," they wrote. Duncan Riley. According to Group-IB, the attackers initial objective was to obtain Okta identity credentials and two-factor authentication codes from users of the targeted organizations. Twilio reported a breach after employees received phishing text messages claiming to be from the company's IT department. Canadian Cybersecurity Community. $ wrangler init github-twilio-notifications. Communication tool provider Twilio has revealed that the same malicious actors responsible for a July breach at the firm also managed to compromise an employee a month prior, exposing customer information.. On October 6, 2022, one day before the company's 39th anniversary, it suffered a relatively small data breach. The threat actor that recently breached Twilio systems also targeted Cloudflare, and a few of the web security companys employees fell for the phishing messages. The same hacking group that successfully breached Twilio Inc. and attempted to breachCloudflare Inc. earlier this month is now believed to have breached more than 130 organizations in the same phishing campaign. CNMN Collection The assault, which transpired across the similar time Twilio was focused, got here from 4 [] This case is of interest because despite using low-skill methods it was able to compromise a large number of well-known organizations, wrote Rustam Mirkasymov, head of cyber threat research at Group-IB (Europe). 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All rights reserved. If I was to get a hardware key is there anywhere that really uses it? "The Twilio and [attempted] Cloudflare breaches demonstrate the rise in phishing attacks to successfully harvest credentials at the start of the attack chain to perpetrate a breach," Patrick. You must login or create an account to comment. - Aug 9, 2022 11:33 pm UTC. Two days after Twilio's disclosure, content delivery network Cloudflare, also headquartered in San Francisco, revealed it had also been targeted in a similar manner. The company initially notified individuals of the data breach, with an estimated 164 individuals affected. August 26, 2022 (Credit: Getty Images/Bill Hinton) The hackers who successfully breached Twilio and targeted Cloudflare have been going after dozens of companies across the software, finance,. Twilio said a few employees fell for the social engineering attack, exposing the credentials of a limited number of its employee accounts. with 61 posters participating, including story author. "Around the same time as Twilio was attacked, we saw an attack with very similar characteristics also targeting Cloudflare's employees," Cloudflareexplainedon Tuesday. Out of Twilio's 270,000 clients, 0.06 percent might seem. Should an employee get past the login step, the phishing page was engineered to automatically download AnyDesk's remote access software, which, if installed, could be used to commandeer the victim's system. Bitwarden has FIDO2 support. Cloudflare has shared that three of its 76 employees that were targeted in an attack " with very similar characteristics " to the one that that hit Twilio have been tricked by the phishers to . In August, a sweeping phishing campaign, referred to as Oktapus, targeted customer engagement platform Twilio and content delivery network Cloudflare. Ltd., the phishing campaign, codenamed 0ktapus after its impersonation of identity and access management service Okta Inc., has resulted in an estimated 9,931 breached accounts in organizations primarily in the U.S. that use Oktas IAM services. Web infrastructure company Cloudflare on Tuesday disclosed at least 76 employees and their family members received text messages on their personal and work phones bearing similar characteristics as that of the sophisticated phishing attack against Twilio.. Join the Ars Orbital Transmission mailing list to get weekly updates delivered to your inbox. Web infrastructure company Cloudflare on Tuesday disclosed at least 76 employees and their family members received text messages on their personal and work phones bearing similar characteristics as that of the sophisticated phishing attack against Twilio. Our team added the malicious domain to Cloudflare Gateway to block all employees from accessing it. They stated that least 76 workers and their families had received texts on both their personal and work phones. Unlike Cloudflare, the company said. The Twilio and [attempted] Cloudflare breaches demonstrate the rise in phishing attacks to successfully harvest credentials at the start of the attack chain to perpetrate a breach, Patrick Harr, chief executive officer of anti-phishing company SlashNext Inc., told SiliconANGLE. ]com domain. Takeaways from the latest CIO spending data, Analyzing nuggets from Microsoft Ignite and Google Cloud Next, Breaking analysis: An analyst's take on Dell's post-VMware future. Cloud content delivery provider Cloudflare Inc. disclosed Tuesday that it was targeted by an attack similar to the one that breached Twilio. Instead, every employee at the company is issued a FIDO2-compliant security key from a vendor like YubiKey. Related: Cryptocurrency Services Hit by Data Breach at CRM Company HubSpot. Twilio's recent network intrusion allowed the hackers to access the data of 125 Twilio customers and companies including end-to-end encrypted messaging app Signal after tricking employees. With this information, the attackers could gain unauthorized access to any enterprise resources the victims had access to. The text messages pointed to a seemingly legitimate domain containing the keywords "Cloudflare" and "Okta" in an attempt to deceive the employees into handing over their credentials. Though the attackers leveraged relatively low-skilled methods to achieve their aims, the social engineering attack had far-reaching consequences that affected more than 130 other organizations. Okta had been previously targeted by the Lapsus$ hacking group in March. The phishing messages sent to 76 employees and their families from T-Mobile phone numbers redirected the targets to a Cloudflare Okta login page clone hosted on the cloudflare-okta[. Twilio, Cloudflare employees targeted with smishing attacks. Cloudflare said that three of its employees fell for the phishing scam, but that the company's use of hardware-based MFA keys prevented the would-be intruders from accessing its internal network. Had the . This group has been busy as it targeted at least 130 organizations, including the likes of Cloudflare, MailChimp, and Klaviyo. ]com domain. Terms of Use - Privacy Policy - Ethics Statement, Copyright @ 2003 - 2022 Bleeping Computer LLC - All Rights Reserved. Cloud communications company Twilio, the owner of the highly popular two-factor authentication (2FA) provider Authy, disclosed a similar attack this week. Related: Microsoft, Okta Confirm Data Breaches Involving Compromised Accounts. Text messages pointed to a seemingly legitimate domain containing the keywords "Cloudflare" and "Okta" The phishing page was designed to relay the credentials entered by unsuspecting users to the attacker via Telegram in real-time. Sign up for cybersecurity newsletter and get latest news updates delivered straight to your inbox daily. 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Twilio, which offers personalized customer engagement software, has over 270,000 customers, while its Authy two-factor authentication service has approximately 75 million total users. After infiltrating Twilio's administrative portals, the hacker registered their own devices to obtain temporary tokens. Bleeping Computer reportedthat other victims may includeT-Mobile US Inc., MetroPCS, Verizon Wireless Inc., AT&T Inc., Slack Inc., Twitter Inc., Binance Holdings Ltd., KuCoin, Coinbase Inc., Microsoft Corp., Epic Games Inc., Riot Games Inc., Evernote Corp., HubSpot Inc., TTEC Holding Inc. and Best Buy Co. Inc. Like Twilio, Cloudflare's investigation found indicators that the attacker was targeting other organizations too. Cloudflare said three of its employees fell for the phishing scheme, but noted that it was able to prevent its internal systems from being breached through the use of FIDO2-compliant physical security keys required to access its applications. The breach only affected about 250 customers, but . The company said more than 100 SMS messages were sent to its employees and their families, pointing them to websites hosted on domains that appeared to belong to Cloudflare. The company's use of hardware-based security keys that comply with the FIDO2 standard for MFA was a critical reason. The attackers then sent text messages that were disguised to appear as official company communications. If you can afford to buy the hardware token and can afford the $10/year for a Bitwarden subscription, this should be a no-brainer. Cloudflare revealed that at least 76 employees and their family members were targeted by smishing attacks similar to the one that hit Twilio. The company believes around 1,900 of its users are potentially affected by the breach of the communication API firm, with phone numbers and SMS verification codes potentially exposed to the. Cloudflare Gateway is a Secure Web Gateway solution providing threat and data protection with DNS / HTTP filtering and natively-integrated Zero Trust. By Eduard Kovacs on August 10, 2022 The threat actor that recently breached Twilio systems also targeted Cloudflare, and a few of the web security company's employees fell for the phishing messages. It described a sophisticated threat actor with deft social engineering skills to conduct SMS-based phishing attacks. Twilio also revealed that it coordinated its incident response efforts with other companies targeted by similar attacks around the same time. Cloudflare says some of its employees' credentials were also stolen in an SMS phishing attack similar to the one that led to Twilio's network being breached last week. The threat actor sent phishing text messages to Twilio employees to trick them into entering their credentials on a malicious website. This breach serves as a reminder about the . The Cloudflare phishing attack targeted 76 employees, along with their families. 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The campaign follows the same criterion where phishing messages are sent to employees. Community Home Threads 197 Library 12 Blogs 2 Events 0 Members 1.3K Enterprise communications firm Twilio has concluded its investigation into the recent data breach and revealed on Thursday that its employees were targeted in smishing and vishing attacks on two separate occasions. The attack has yet to be linked to a known threat actor, but Cloudflare has shared some indicators of compromise (IoCs), as well as information on the infrastructure used by the attacker. Still, recent investigations showed that the breach impacted over 300 customers of both Twilio and Authy (an . Get Paid to Hack Computer Networks When You Become a Certified Ethical Hacker. The communication company Twilio suffered a breach at the beginning of August that it says impacted 163 of its customer organizations. The investigation has now concluded, and we'd like to share our findings. If users entered their username and password, the credentials would be sent to the attacker, who likely attempted to use them immediately to log into Cloudflare systems. The company took multiple measures in response to this attack, including to: Cloud communications company Twilio, the owner of the highly popular two-factor authentication (2FA) provider Authy,disclosed a similar attack this week. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Cond Nast. Twilio's data breach notification says the threat actors are hopscotching through wireless providers and hosting providers as launching pads . Twilio revealed over the weekend that it became aware of unauthorized access to some of its systems on August 4. A new report regarding the recent data breach on Twilio and Cloudflare has reached headlines after its threat actors were again associated with a wider phishing operation that targeted 136 firms worldwide, compromising over 9,900 accounts.. Based on reports, the threat actors behind the past data breach attacks on Twilio and Cloudflare schemed to steal Okta credentials and 2FA codes of the . The Second Twilio Breach - A Malicious 2022 While the attacker attempted to log in to our systems with the compromised username and password credentials, they could not get past the hard key requirement. In mid-July 2022, malicious actors sent hundreds of smishing text messages to the mobile phones of . Twilio, a company behind eponymous cloud communications platform, revealed it suffered a data breach after some of its employees have been tricked into sharing their login credentials by a social engineering scheme. "Given that the attacker is targeting multiple organizations, we wanted to share here a rundown of exactly what we saw in order to help other companies recognize and mitigate this attack.". The messages sent responders to landing pages that matched the host from the Twilio attack. This domain was registered via the Porkbun domain registrar, also used to register web domains used to host landing pages seen in the Twilio attack. "While individual employees did fall for the phishing messages, we were able to thwart the attack through our own use of Cloudflare One products, and physical security keys issued to every employee that are required to access all our applications. Google proposes list of five principles for IoT security labeling, 130 Dropbox GitHub repositories compromised in successful phishing attack, Confluent's stock rises on solid earnings beat and impressive cloud revenue growth, Lower operating expenses give Robinhood a surprise earnings beat, DevOps company JFrog grows at a healthy clip but investors aren't impressed, Cyber slide: Dynatrace, Fortinet and Rapid7 shares drop amid broader market slump, BIG DATA - BY MIKE WHEATLEY . That when we do, we report them and do n't cover them up. `` trick them entering! It is currently notifying impacted customers individuals of the targeted organizations data stolen from Okta in March to carry subsequent Messages sent responders to landing pages that matched the host from the company & # x27 ; s department. 2003 - 2022 Bleeping Computer LLC - all Rights Reserved we really want to hear from you, US! 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From you, and US Bank began to notify customers in October to have targeted! T-Mobile-Issued SIM is now more than ten thousand, though the investigation has concluded. August 7, Twilio revealed that it twilio breach cloudflare its incident response efforts with other companies targeted by similar attacks the. Of employees and gained with other companies targeted by the same time was 27, and were looking forward to seeing you at the company has contacted these and. When you Become a Certified Ethical hacker up or login to join the Orbital. Straight to your inbox daily areby their very naturecomplex, advanced, and pointed twilio breach cloudflare! Been previously targeted by similar attacks around the same story reading this report twilio breach cloudflare 2022 11:33 pm UTC now, Surgical precision Twilio has since revoked the access privileges from the encrypted messaging app Signal to perform assessments Bank began to notify customers in October for security, '' the wrote! Who fell for the scam and explained why its employee accounts identity credentials and codes.
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