twilio breach cloudflare

Related: Microsoft, Okta Confirm Data Breaches Involving Compromised Accounts. . The attacker could then, before the TOTP code expired, use it to access the companys actual login page defeating most two-factor authentication implementations. In total, there are 7 sections in this report. Still, recent investigations showed that the breach impacted over 300 customers of both Twilio and Authy (an . Twilio The threat actor carried out its attack with almost surgical precision. The activity has been condemned 0ktapus by Group-IB because the initial goal of the attacks was to "obtain Okta identity . What's more, the attacks didn't just stop at stealing the credentials and TOTP codes. In August, a sweeping phishing campaign, referred to as Oktapus, targeted customer engagement platform Twilio and content delivery network Cloudflare. 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. Canadian Cybersecurity Community. All rights reserved. "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. 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. Click here to join the free and open Startup Showcase event. 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. This would prompt them for second-factor authentication typically a code received via SMS or from a dedicated app and the phishing page would then also prompt the victim to enter a code, which would also be sent to the attacker. Cloudflare Gateway is a Secure Web Gateway solution providing threat and data protection with DNS / HTTP filtering and natively-integrated Zero Trust. Our team added the malicious domain to Cloudflare Gateway to block all employees from accessing it. Cloud content delivery provider Cloudflare Inc. disclosed Tuesday that it was targeted by an attack similar to the one that breached Twilio. 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. 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. The attackers then sent text messages that were disguised to appear as official company communications. In both cases, the attackers somehow obtained the home and work phone numbers of both employees and, in some cases, their family members. 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. After the Twilio breach, the company said that other companies were similarly targeted. 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. 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. 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. Read our affiliate link policy. 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. 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. Your California Privacy Rights | Do Not Sell My Personal Information 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. Cloudflare uses Okta identity services and the phishing page looked identical to the legitimate Okta login page. Cloudflare revealed on Tuesday that its own employees also received similar text messages, on July 20. On August 7, Twilio revealed that it had detected unauthorized access to information related to customer accounts a few days . The attack, which transpired around the same time Twilio was targeted, came from four phone numbers associated with T-Mobile-issued SIM . The messages sent responders to landing pages that matched the host from the Twilio attack. 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. "Despite this response, the threat actors have continued to rotate through carriers and hosting providers to resume their attacks. The hack of Twilio also exposed data from the encrypted messaging app Signal. 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. The domain used in the attack had been registered only 40 minutes prior, thwarting the domain protection Cloudflare uses to ferret out impostor sites. Those behind 0ktapus then used the data stolen from Okta in March to carry out subsequent supply chain attacks. After infiltrating Twilio's administrative portals, the hacker registered their own devices to obtain temporary tokens. 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.. "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. 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. It's impressive that despite three of its employees falling for the scam, Cloudflare kept its systems from being breached. To receive periodic updates and news from BleepingComputer, please use the form below. One-Stop-Shop for All CompTIA Certifications! 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. Twilio figured out who has targeted its systems based on a thorough investigation. 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. 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. Twilio and Cloudflare said they don't know how the phishers obtained employee numbers. 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. Twilio recently suffered a data breach when a threat actor used SMS phishing messages to dupe numerous Twilio employees into sharing their login credentials. It did not mention if the attacker encountered any multi-factor authentication (MFA) roadblocks. According to the web performance and security company Cloudflare, several of its employees' credentials were also recently stolen in an SMS phishing 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. The report focuses mainly on the July-August incident in which attackers sent hundreds of . 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'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. Digital communication platform Twilio was hacked after a phishing campaign tricked its employees into revealing their login credentials (via TechCrunch). Twilio also revealed that it coordinated its incident response efforts with other companies targeted by similar attacks around the same time. 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. Cloud communication giant Twilio confirmed a data breach after a successful SMS phishing attack targeting its employees' credentials. "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. New 'Quantum-Resistant' Encryption Algorithms. "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. Along with Twilio and Cloudflare, other companies believed to have been targeted by the 0ktapus campaign include Mailchimp and DigitalOcean Holdings Inc. Cloudflare revealed that at least 76 employees and their family members were targeted by smishing attacks similar to the one that hit Twilio. Twilio reported a breach after employees received phishing text messages claiming to be from the company's IT department. Sign up for cybersecurity newsletter and get latest news updates delivered straight to your inbox daily. All Rights Reserved. Stephen Weigand August 9, 2022 A screen image of a phishing site sent to Cloudflare employees via text message. ", Google ad for GIMP.org served info-stealing malware via lookalike site, Dropbox discloses breach after hacker stole 130 GitHub repositories. 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