Insights

Widespread PHP Flaw May Cause Many Site Outages Today

Expect to see quite a few websites serving error pages today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over affected servers. Experts say there are working exploits for the flaws, and that these critical bugs are already being exploited in the wild. Image: Shutterstock.com, Sashkin. The flaws at issue are present in PHP, the programming language that…

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Critical Vulnerabilities in PHP Require Immediate Patching

CISA strongly urges organizations to immediately patch the recently disclosed critical vulnerabilities in PHP, CVE-2026-109618 and CVE-2026-109619. These vulnerabilities, known as “php2shell,” allow for unauthenticated remote code execution in PHP and affect all PHP installations serving web requests. Organizations should immediately update to PHP 8.5.12, 8.4.27, 8.3.36, or 8.2.35 to fix these vulnerabilities. While CISA has not observed exploitation of these vulnerabilities as of the time of publication, they pose a risk to organizations if…

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Feds Suspect Ransom Negotiator Ran ShinyHunters Extortion Site

U.S. federal investigators pursuing the ShinyHunters hacking group that recently stole highly sensitive data from the FBI have identified executives at two different ransomware negotiation firms who maintained unusually close relations with the extortion group, KrebsOnSecurity has learned. Sources close to the investigation say one of the executives in the United States even helped ShinyHunters operate a website that pressured victims into paying a ransom. Hackers aligned with ShinyHunters have claimed credit for dozens of…

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CISA Urges Patching Critical Vulnerability in BeyondTrust Remote Support

CISA is aware of critical authentication bypass vulnerability CVE-2026-102764, affecting BeyondTrust Remote Support (formerly Bomgar) versions 26.2.3 and earlier. Patches are available for supported versions (24.3.1 and later); organizations using older versions must upgrade first. Cyber threat actors are actively exploiting the vulnerability to gain initial access, then establishing persistence, escalating privileges, and moving laterally. CISA added CVE-2026-102764 to its Known Exploited Vulnerabilities (KEV) catalog on Oct. 16, 2026.  CISA urges organizations with affected self-hosted…

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U.K. Sanctions Cryptomus for RU Money Laundering

The United Kingdom has issued economic sanctions against Cryptomus, a chameleonic cryptocurrency platform that experts say serves as a major conduit for payments related to ransomware, narcotics, darknet markets, fraud and cybercrime services that are helping Russia circumvent existing financial restrictions. Heleket’s support agent on Telegram claims, despite all evidence to the contrary, that it is not affiliated with Cryptomus. Image: Richard Sanders. On October 8, the U.K. issued sanctions (PDF) against Cryptomus — previously…

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Kicking off Cybersecurity Career Week with NIST!

Credit: NIST Considering a career in cybersecurity? Cybersecurity Career Week (CCW), a campaign led by the NICE Program at NIST from October 19-24, 2026, aims to raise public awareness and help people find their path to #ChooseCyber. During this week, academia, industry, non-profit organizations, and government agencies host events, share resources, provide trainings, and engage community to build awareness about the cybersecurity job opportunities, educate people on how to develop capabilities to qualify for cybersecurity…

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Microsoft Patches More Than 1,400 Security Flaws

Microsoft today issued updates to fix more than 1,400 security vulnerabilities in its Windows operating systems and other software. Today’s epic patch batch dwarfs September’s record of nearly 1,000 fixes, which was already about ten times the normal monthly patch load from Redmond. Just one of the weaknesses patched this week is considered a “zero day,” or already exploited in the wild. CVE-2026-96951 is a security feature bypass in the Windows Shell that affects Windows…

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CISA Urges Patching Newly Exploited Vulnerability in Ivanti Connect Secure

CISA is aware of Ivanti’s disclosure of a newly exploited vulnerability, CVE-2026-104935, affecting Ivanti Connect Secure versions 25.1.1.1 and prior, 25.1.2.2 and prior, and 22.8R2.4 and prior. CISA is aware of cyber threat actors exploiting this zero-day authentication bypass vulnerability, which allows remote, unauthenticated execution of arbitrary commands, to conduct credential theft and data exfiltration. CISA added CVE-2026-104935 to its Known Exploited Vulnerabilities (KEV) Catalog on Oct. 13, 2026.  CISA urges organizations with affected Ivanti…

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FBI Arrests Executive at Ransomware Negotiation Firm

Agents with the Federal Bureau of Investigation (FBI) on Thursday arrested an executive at a Canadian cybersecurity firm in connection with an investigation into the ShinyHunters hacking group that recently relieved the FBI of sensitive data on thousands of agents, multiple sources tell KrebsOnSecurity. The New York Times reported today that the FBI has arrested a Canadian man in Pennsylvania on suspicion of assisting ShinyHunters. The Times story did not identify the man, nor did…

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ShinyHunters Extorted Boeing Spin-off Prior to Arrests

A teenager from Amman, Jordan suspected of leading the prolific data theft and extortion group ShinyHunters has been detained and is reportedly cooperating with the FBI to identify other members of the hacking gang. KrebsOnSecurity has learned that the suspect, who uses the hacker handle “Rey,” was detained as ShinyHunters was in the process of extorting a business unit recently divested by the global aerospace company Boeing, which manufactures the fleet of planes used by…

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