At least two security-sensitive companiesTwilio and Cloudflarewere targeted in a phishing attack by an advanced threat actor who had possession of home phone numbers of not just employees but employees' family members as well. The material on this site may not be reproduced, distributed, transmitted, cached or otherwise used, except with the prior written permission of Cond Nast. 2022 Cond Nast. Get Paid to Hack Computer Networks When You Become a Certified Ethical Hacker. 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 . Canadian Cybersecurity Community. In response to the attack, Cloudflare has taken several steps, including: Identifying each employee credential that was affected and resetting their information. However, Cloudflare does not use TOTP codes. 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. Cloudflare revealed on Tuesday that its own employees also received similar text messages, on July 20. Duncan Riley. Cloudflare said . 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. All rights reserved. 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. "Around the same time as Twilio was attacked, we saw an attack with very similar characteristics . A to Z Cybersecurity Certification Training. Ad Choices. 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. Click here to join the free and open Startup Showcase event. To receive periodic updates and news from BleepingComputer, please use the form below. The breach has rocked thousands, and the tally of affected customers is now more than ten thousand, though the investigation is ongoing. Related: Microsoft, Okta Confirm Data Breaches Involving Compromised Accounts. The communication company Twilio suffered a breach at the beginning of August that it says impacted 163 of its customer organizations. The company said none of its employees got to this step and its confident that its security systems would have blocked the installation of the software. "We have not yet identified the specific threat actors at work here, but have liaised with law enforcement in our efforts. Cloudflare says it was subject to a similar attack to one made on comms company Twilio last week, but in this case it was thwarted by hardware security keys that are required to access applications and services. Twilio The threat actor carried out its attack with almost surgical precision. ", Google ad for GIMP.org served info-stealing malware via lookalike site, Dropbox discloses breach after hacker stole 130 GitHub repositories. The breach only affected about 250 customers, but . The messages came. The threat actor then used that access to data in an undisclosed number of customer accounts. $ cd github-twilio-notifications. But Cloudflare said the attackers failed to compromise its network after having their attempts blocked by phishing-resistant hardware security keys. If I was to get a hardware key is there anywhere that really uses it? Or are they mostly for large corporations? 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The assault, which transpired across the similar time Twilio was focused, got here from 4 [] The enterprise communications firms noted that the attacker, which it described as well organized and sophisticated, seemed to have sophisticated abilities to match employee names from sources with their phone numbers.. Bitwarden Free Software comments sorted by Best Top New Controversial Q&A "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.". The attacker could then, before the TOTP code expired, use it to access the companys actual login page defeating most two-factor authentication implementations. The Second Twilio Breach - A Malicious 2022 Looking for Malware in All the Wrong Places? Both Cloudflare and Twilio have taken action to disrupt the infrastructure used by the attackers, but they appeared to be persistent, changing mobile carriers and hosting providers in an effort to continue their attack. 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. Read our posting guidelinese to learn what content is prohibited. The Cloudflare phishing attack targeted 76 employees, along with their families. 7 HOURS AGO, BLOCKCHAIN - BY DUNCAN RILEY . 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CNMN Collection 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 . Had the company relied on one-time passwords from sent text messages or even generated by an authentication app, it likely would have been a different story. Twilio reported a breach after employees received phishing text messages claiming to be from the company's IT department. Cloud communication giant Twilio confirmed a data breach after a successful SMS phishing attack targeting its employees' credentials. In total, there are 7 sections in this report. The threat actor promptly swiped any login credentials entered on the malicious site. 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. 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. Ars may earn compensation on sales from links on this site. A Step-By-Step Guide to Vulnerability Assessment. The messages sent responders to landing pages that matched the host from the Twilio attack. Twilio and Cloudflare said they don't know how the phishers obtained employee numbers. Join the Ars Orbital Transmission mailing list to get weekly updates delivered to your inbox. The attacks disclosed recently by Twilio and Cloudflare were part of a massive phishing campaign that targeted at least 130 other organizations, according to cybersecurity company Group-IB. US hospital system suffers patient data breach. . Copyright 2022 Wired Business Media. Digital communication platform Twilio was hacked after a phishing campaign tricked its employees into revealing their login credentials (via TechCrunch). In the case of Twilio, a San Francisco-based provider of two-factor authentication and communication services, the unknown hackers succeeded in phishing the credentials of an undisclosed number of employees and, from there, gained unauthorized access to the company's internal systems, the company said. Background. "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. 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. All Rights Reserved. After reading this report, you will learn the differences in growth, annual returns, dividend payouts, splits, biggest gains etc. Like Twilio, Cloudflare's investigation found indicators that the attacker was targeting other organizations too. 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. We use this solution internally to proactively identify malicious domains and block them. Read our affiliate link policy. The unknown attackers that breached communications company Twilio tried to hack reverse proxy provider Cloudflare using similar social engineering techniques, but were thwarted. . WIRED Media Group This report compares the performances of Cloudflare Inc (NET) and Twilio Inc. (TWLO) stocks. Okta Hackers Behind Twilio and Cloudflare Attacks Hit Over 130 Organizations August 25, 2022 Ravie Lakshmanan The threat actor behind the attacks on Twilio and Cloudflare earlier this month has been linked to a broader phishing campaign aimed at 136 organizations that resulted in a cumulative compromise of 9,931 accounts. Still, recent investigations showed that the breach impacted over 300 customers of both Twilio and Authy (an . It did not mention if the attacker encountered any multi-factor authentication (MFA) roadblocks. Start by using wrangler init to create a Worker project in the command line: Create a project. The company initially notified individuals of the data breach, with an estimated 164 individuals affected. It's impressive that despite three of its employees falling for the scam, Cloudflare kept its systems from being breached. 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. After the Twilio breach, the company said that other companies were similarly targeted. 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. A message from John Furrier, co-founder of SiliconANGLE: Show your support for our mission by joining our Cube Club and Cube Event Community of experts. Cloudflare confirmed they were among them but, luckily for them, the attacker was stymied by. The wave of over 100 smishing messages commenced less than 40 minutes after the rogue domain was registered via Porkbun, the company noted, adding the phishing page was designed to relay the credentials entered by unsuspecting users to the attacker via Telegram in real-time. Get 1-Yr Access to Courses, Live Hands-On Labs, Practice Exams and Updated Content, Your 28-Hour Roadmap as an Ultimate Security Professional Master Network Monitoring, PenTesting, and Routing Techniques and Vulnerabilities, Know Your Way Around Networks and Client-Server Linux Systems Techniques, Command Line, Shell Scripting, and More, Hackers Behind Twilio Breach Also Targeted Cloudflare Employees. Cloud content delivery provider Cloudflare Inc. disclosed Tuesday that it was targeted by an attack similar to the one that breached Twilio. Socially engineered attacks areby their very naturecomplex, advanced, and built to challenge even the most advanced defenses.". 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. This is the difference between Twilio, which was breached, and CloudFlare, which stopped the same attackers. On August 7, Twilio revealed that it had detected unauthorized access to information related to customer accounts a few days . The development comes days after Twilio said unknown hackers succeeded in phishing the credentials of an undisclosed number of employees and gained unauthorized access to the company's internal systems, using it to get hold of customer accounts. Our team added the malicious domain to Cloudflare Gateway to block all employees from accessing it. After infiltrating Twilio's administrative portals, the hacker registered their own devices to obtain temporary tokens. Understand the steps to improve development team security maturity, challenges and real-life lessons learned. 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 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[. "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. The attack, which transpired around the same time Twilio was targeted, came from four phone numbers associated with T-Mobile-issued SIM cards and was ultimately unsuccessful. Found this article interesting? 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. 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. Your California Privacy Rights | Do Not Sell My Personal Information In August, a sweeping phishing campaign, referred to as Oktapus, targeted customer engagement platform Twilio and content delivery network Cloudflare. Community Home Threads 197 Library 12 Blogs 2 Events 0 Members 1.3K 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. Stephen Weigand August 9, 2022 A screen image of a phishing site sent to Cloudflare employees via text message. Okta had been previously targeted by the Lapsus$ hacking group in March. 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. We confirmed that three Cloudflare employees fell for the phishing message and entered their credentials. The company disclosed the data breach in a post on its blog, noting that only "a limited . The employee would then enter the TOTP code on the phishing site, and it too would be relayed to the attacker. We're all human and we make mistakes. Evidently, the attack took a similar form to the one that affected Twilio's network. In mid-July 2022, malicious actors sent hundreds of smishing text messages to the mobile phones of . Cloudflare says it was subject to a similar attack to one made on comms company Twilio last week, but in this case it was thwarted by hardware security keys that are required to access. What's more, the attacks didn't just stop at stealing the credentials and TOTP codes. August 12, 2022 01:44 PM 0 Cloud communications giant Twilio, the owner of the highly popular two-factor authentication (2FA) provider Authy, says that it has so far identified 125 customers who. 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. "Having a paranoid but blame-free culture is critical for security," the officials wrote. 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.. When the attacks on Cloudflare, at least 76 employees received a message in the first minute. Twilio suffers data breach after its employees were targeted by a phishing campaign. This field is for validation purposes and should be left unchanged. Sign up for cybersecurity newsletter and get latest news updates delivered straight to your inbox daily. Cloud communications company Twilio, the owner of the highly popular two-factor authentication (2FA) provider Authy, disclosed a similar attack this week. The company's use of hardware-based security keys that comply with the FIDO2 standard for MFA was a critical reason. Twilio said a few employees fell for the social engineering attack, exposing the credentials of a limited number of its employee accounts. "The three employees who fell for the phishing scam were not reprimanded. This breach serves as a reminder about the . Cloudflare revealed that at least 76 employees and their family members were targeted by smishing attacks similar to the one that hit Twilio. The hack of Twilio also exposed data from the encrypted messaging app Signal. Learn how to perform vulnerability assessments and keep your company protected against cyber attacks. 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. 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.. The threat actor sent phishing text messages to Twilio employees to trick them into entering their credentials on a malicious website. The threat actor behind the attacks on Twilio and Cloudflare earlier this month has been linked to a broader phishing campaign aimed at 136 organizations that resulted in a cumulative compromise of 9,931 accounts. However, Cloudflare's security systems stopped the attack. Out of Twilio's 270,000 clients, 0.06 percent might seem. 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). Bitwarden has FIDO2 support. According to the web performance and security company Cloudflare, several of its employees' credentials were also recently stolen in an SMS phishing attack. - Aug 9, 2022 11:33 pm UTC. 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. 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Matthew Prince, Daniel Stinson-Diess, Sourov ZamanCloudflare's CEO, senior security engineer and incident response leader respectivelyhad a similar take. New 'Quantum-Resistant' Encryption Algorithms. Those behind 0ktapus then used the data stolen from Okta in March to carry out subsequent supply chain attacks. The hackers behind Twilio's major data breach have resurfaced again with the same scheme but targetting none other than web infrastructure company Cloudflare. 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. Telegram? Instead, every employee at the company is issued a FIDO2-compliant security key from a vendor like YubiKey. Bogus SMS messages (smishing) were sent in mid-July. 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. "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. 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. Twilio said unknown hackers succeeded in phishing the credentials of an undisclosed number of employees and gained . Inside of your new github-sms-notifications directory, index.js represents the entry point to your Cloudflare Workers application. 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. Besides working with DigitalOcean to shut down the attacker's server, the company also said it reset the credentials of the impacted employees and that it's tightening up its access implementation to prevent any logins from unknown VPNs, residential proxies, and infrastructure providers. With this information, the attackers could gain unauthorized access to any enterprise resources the victims had access to. Net infrastructure firm Cloudflare on Tuesday disclosed not less than 76 staff and their members of the family acquired textual content messages on their private and work telephones bearing related traits as that of the delicate phishing assault towards Twilio. Twilio has since revoked the access privileges from the compromised accounts and it is currently notifying impacted customers. "Despite this response, the threat actors have continued to rotate through carriers and hosting providers to resume their attacks. "Around the same time as Twilio was attacked, we saw an attack with very similar characteristics also targeting Cloudflare's employees," Cloudflareexplainedon Tuesday. 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. The assault, which transpired across the similar time Twilio was focused, got here from 4 [] Cloudflare uses Okta identity services and the phishing page looked identical to the legitimate Okta login page. Twilio only sometimes requires customers to provide identifying information, so it wasn't as widely affected as the other data. 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. It's critically important that when we do, we report them and don't cover them up.". The Verge. 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 messages came from a variety of phone numbers belonging to T-Mobile. "Based on these factors, we have reason to believe the threat actors are well-organized, sophisticated, and methodical in their actions," Twilio wrote. When the phishing page was completed by a victim, the credentials were immediately relayed to the attacker via the messaging service Telegram. 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 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[. As detailedtoday by researchers at Group-IB Global Pvt. It described a sophisticated threat actor with deft social engineering skills to conduct SMS-based phishing attacks. 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. 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.. 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.
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