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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
German authorities identify REvil and GangCrab ransomware bosses
The Federal Police in Germany (BKA) has identified two Russian nationals as the leaders of GandCrab and REvil ransomware operations between 2019 and 2021. [...]
https://www.bleepingcomputer.com/news/security/german-authorities-identify-revil-and-gangcrab-ransomware-bosses/
Disgruntled researcher leaks “BlueHammer” Windows zero-day exploit
Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. [...]
https://www.bleepingcomputer.com/news/security/disgruntled-researcher-leaks-bluehammer-windows-zero-day-exploit/
Microsoft removes Support and Recovery Assistant from Windows
Microsoft has deprecated and removed the Support and Recovery Assistant (SaRA) command-line utility from all in-support versions of Windows updates starting March 10. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-removes-support-and-recovery-assistant-from-windows/
Drift $280M crypto theft linked to 6-month in-person operation
The Drift Protocol says that the $280+ million hack it suffered last week was the result of a long-term, carefully planned operation that included building "a functioning operational presence inside the Drift ecosystem." [...]
https://www.bleepingcomputer.com/news/security/drift-280m-crypto-theft-linked-to-6-month-in-person-operation/
Why Simple Breach Monitoring is No Longer Enough
Infostealers are harvesting credentials and session cookies at scale, bypassing traditional defenses. Lunar explains why simple breach monitoring alone can't keep up with modern credential-based attacks. [...]
https://www.bleepingcomputer.com/news/security/why-simple-breach-monitoring-is-no-longer-enough/
New FortiClient EMS flaw exploited in attacks, emergency patch released
Fortinet has released an emergency weekend security update for a new critical FortiClient Enterprise Management Server (EMS) vulnerability that is actively exploited in attacks. [...]
https://www.bleepingcomputer.com/news/security/new-fortinet-forticlient-ems-flaw-cve-2026-35616-exploited-in-attacks/
Axios npm hack used fake Teams error fix to hijack maintainer account
The maintainers of the popular Axios HTTP client have published a detailed post-mortem describing how one of its developers was targeted by a social engineering campaign believed to have been conducted by North Korean threat actors. [...]
https://www.bleepingcomputer.com/news/security/axios-npm-hack-used-fake-teams-error-fix-to-hijack-maintainer-account/
LinkedIn secretely scans for 6,000+ Chrome extensions, collects data
A new report dubbed "BrowserGate" warns that Microsoft's LinkedIn is using hidden JavaScript scripts on its website to scan visitors' browsers for installed extensions and collect device data. [...]
https://www.bleepingcomputer.com/news/security/linkedin-secretely-scans-for-6-000-plus-chrome-extensions-collects-data/
Die Linke German political party confirms data stolen by Qilin ransomware
The Qilin ransomware group has claimed responsibility for an attack against Die Linke ('The Left'), forcing an IT systems outage at the political party, and threatening sensitive data leak. [...]
https://www.bleepingcomputer.com/news/security/die-linke-german-political-party-confirms-data-stolen-by-qilin-ransomware/
Microsoft still working to fix Exchange Online mailbox access issues
Microsoft is investigating and working to resolve Exchange Online mailbox access issues that have intermittently affected Outlook mobile and macOS users for weeks. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-still-working-to-fix-exchange-online-mailbox-access-issues/
Microsoft now force upgrades unmanaged Windows 11 24H2 PCs
Starting this week, Microsoft has begun force-upgrading unmanaged devices running Windows 11 24H2 Home and Pro editions to Windows 11 25H2. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-now-force-upgrades-unmanaged-windows-11-24h2-pcs/
Claude Code leak used to push infostealer malware on GitHub
Threat actors are exploiting the recent Claude Code source code leak by using fake GitHub repositories to deliver Vidar information-stealing malware. [...]
https://www.bleepingcomputer.com/news/security/claude-code-leak-used-to-push-infostealer-malware-on-github/
Residential proxies evaded IP reputation checks in 78% of 4B sessions
Researchers warn that residential proxies used to route malicious traffic are a big problem for IP reputation systems, as there is no clear distinction between attackers and legitimate users. [...]
https://www.bleepingcomputer.com/news/security/residential-proxies-evaded-ip-reputation-checks-in-78-percent-of-4b-sessions/
New Progress ShareFile flaws can be chained in pre-auth RCE attacks
Two vulnerabilities in Progress ShareFile, an enterprise-grade secure file transfer solution, can be chained to enable unauthenticated file exfiltration from affected environments. [...]
https://www.bleepingcomputer.com/news/security/new-progress-sharefile-flaws-can-be-chained-in-pre-auth-rce-attacks/
Critical Cisco IMC auth bypass gives attackers Admin access
Cisco has patched several critical and high-severity vulnerabilities, including an Integrated Management Controller (IMC) authentication bypass that enables attackers to gain Admin access. [...]
https://www.bleepingcomputer.com/news/security/critical-cisco-imc-auth-bypass-gives-attackers-admin-access/
New GPUBreach attack enables system takeover via GPU rowhammer
A new attack, dubbed GPUBreach, can induce Rowhammer bit-flips on GPU GDDR6 memories to escalate privileges and lead to a full system compromise. [...]
https://www.bleepingcomputer.com/news/security/new-gpubreach-attack-enables-system-takeover-via-gpu-rowhammer/
Microsoft fixes Classic Outlook bug causing email delivery issues
Microsoft has resolved a known issue that was preventing some Classic Outlook users from sending emails via Outlook.com. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-classic-outlook-bug-causing-email-delivery-issues/
Microsoft links Medusa ransomware affiliate to zero-day attacks
Microsoft says that Storm-1175, a China-based financially motivated cybercriminal group known for deploying Medusa ransomware payloads, has been deploying n-day and zero-day exploits in high-velocity attacks. [...]
https://www.bleepingcomputer.com/news/security/microsoft-links-medusa-ransomware-affiliate-to-zero-day-attacks/
CISA orders feds to patch Fortinet flaw exploited in attacks by Friday
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered federal agencies to secure FortiClient Enterprise Management Server (EMS) instances against an actively exploited vulnerability by Friday. [...]
https://www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-fortinet-flaw-exploited-in-attacks-by-friday/
Traffic violation scams switch to QR codes in new phishing texts
Scammers are sending fake "Notice of Default" traffic violation text messages impersonating state courts across the U.S., pressuring recipients to scan a QR code that leads to a phishing site demanding a $6.99 payment while stealing personal and financial information. [...]
https://www.bleepingcomputer.com/news/security/traffic-violation-scams-switch-to-qr-codes-in-new-phishing-texts/
Hackers exploit React2Shell in automated credential theft campaign
Hackers are running a large-scale campaign to steal credentials in an automated way after exploiting React2Shell (CVE-2025-55182) in vulnerable Next.js apps. [...]
https://www.bleepingcomputer.com/news/security/hackers-exploit-react2shell-in-automated-credential-theft-campaign/
Device code phishing attacks surge 37x as new kits spread online
Device code phishing attacks that abuse the OAuth 2.0 Device Authorization Grant flow to hijack accounts have surged more than 37 times this year. [...]
https://www.bleepingcomputer.com/news/security/device-code-phishing-attacks-surge-37x-as-new-kits-spread-online/
Hims & Hers warns of data breach after Zendesk support ticket breach
Telehealth giant Hims & Hers Health is warning that it suffered a data breach after support tickets were stolen from a third-party customer service platform. [...]
https://www.bleepingcomputer.com/news/security/hims-and-hers-warns-of-data-breach-after-zendesk-support-ticket-breach/
Evolution of Ransomware: Multi-Extortion Ransomware Attacks
Multi-extortion ransomware relies on stolen data to pressure victims with public leaks. Penta Security explains how its D.AMO platform keeps exfiltrated files encrypted and useless to attackers. [...]
https://www.bleepingcomputer.com/news/security/evolution-of-ransomware-multi-extortion-ransomware-attacks/
Man admits to locking thousands of Windows devices in extortion plot
A former core infrastructure engineer has pleaded guilty to locking Windows admins out of 254 servers as part of a failed extortion plot targeting his employer, an industrial company headquartered in Somerset County, New Jersey. [...]
https://www.bleepingcomputer.com/news/security/man-admits-to-extortion-plot-locking-coworkers-out-of-thousands-of-windows-devices/
CERT-EU: European Commission hack exposes data of 30 EU entities
The European Union's Cybersecurity Service (CERT-EU) has attributed the European Commission cloud hack to the TeamPCP threat group, saying the resulting breach exposed the data of at least 29 other Union entities. [...]
https://www.bleepingcomputer.com/news/security/cert-eu-european-commission-hack-exposes-data-of-30-eu-entities/
Drift loses $280 million as hackers seize Security Council powers
The Drift Protocol lost at least $280 million after a threat actor took control of its Security Council administrative powers in a planned, sophisticated operation. [...]
https://www.bleepingcomputer.com/news/security/drift-loses-280-million-as-hackers-seize-security-council-powers/
Adversaries Exploit Vacant Homes to Intercept Mail in Hybrid Cybercrime
Threat actors are exploiting vacant homes as "drop addresses" to intercept mail and enable fraud. Flare shows how postal services and fake identities are abused to turn mail into a fraud vector. [...]
https://www.bleepingcomputer.com/news/security/adversaries-exploit-vacant-homes-to-intercept-mail-in-hybrid-cybercrime/
Medtech giant Stryker fully operational after data-wiping attack
Stryker Corporation, one of the world's leading medical technology companies, says it's fully operational three weeks after many of its systems were wiped out in a cyberattack claimed by the Iranian-linked Handala hacktivist group. [...]
https://www.bleepingcomputer.com/news/security/medtech-giant-stryker-fully-operational-after-data-wiping-attack/
Microsoft links Classic Outlook issue to email delivery problems
Microsoft is investigating a known issue that prevents some Classic Outlook users from sending emails via Outlook.com. [...]
https://www.bleepingcomputer.com/news/microsoft/microsoft-links-classic-outlook-bug-to-email-delivery-issues/