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15 karet z 15 položek CZ · EN/orig

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Infostealers are hijacking Claude accounts at users’ expense

Anthropic has warned some Claude users that criminals are using information stealers to take over their accounts. Rather than guessing passwords or intercepting two-factor authentication (2FA) codes, the attackers steal the browser sessions that prove a user is already logged in. According to a warning email shared publicly by an affected user, the attackers used common infostealer malware to copy Claude login sessions from victims’ computers. They then used those sessions to access the…

Anthropic US

tg: incident tg: varování tp: malware tp: identita

Malwarebytes Labs ·

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31th August – Threat Intelligence Report

For the latest discoveries in cyber research for the week of 31st August, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES Manchester Airports Group, the UK operator of Manchester, London Stansted, and East Midlands airports, has disclosed a cyberattack that exposed data belonging to about 8.7 million customers. The compromised information includes contact details, vehicle registration numbers, and information collected through car park, lounge, fast-track, and Wi-Fi…

KEV ✓ CVSS 10.0 CVE-2026-18885 CVE-2026-18886 CVE-2026-74820 CVE-2026-75604 CVE-2026-81578 CVE-2026-82078 Check Point PaperCut Ubiquiti Vercel veřejná správa zdravotnictví doprava IL

tg: incident tg: zneužíváno tg: zranitelnost tg: přehled tp: malware tp: phishing tp: ransomware tp: únik dat tp: AI tp: špionáž tp: průmyslové systémy

Check Point Research ·

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From Bing Search to Ransomware: Bumblebee and AdaptixC2 Deliver Akira

Key Takeaways This case was first reported to customers in a threat brief released in July 2025 and in a public flash alert in August 2025 in partnership with Swisscom B2B CSIRT, which observed another intrusion tied to the same campaign. This report contains data from both intrusions. We plan to release a DFIR Labs […] The post From Bing Search to Ransomware: Bumblebee and AdaptixC2 Deliver Akira appeared first on The DFIR Report.

US

tg: incident tg: rozbor tp: malware tp: ransomware

The DFIR Report ·

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Flash Alert: EtherRat and TukTuk C2 End in The Gentleman Ransomware

The EtherRAT malware family was first reported by Sysdig back in December 2025. At that time, the initial access vector was exploitation of CVE-2025-55182 (React2Shell) targeting Linux servers. In March 2026, a Windows variant campaign was reported by Atos, with their investigation showing evidence of activity going back to the previous December. In April, we […] The post Flash Alert: EtherRat and TukTuk C2 End in The Gentleman Ransomware appeared first on The DFIR Report.

KEV ✓ EPSS 1.00 CVE-2025-55182 US

tg: incident tg: zneužíváno tp: malware tp: ransomware

The DFIR Report ·