New pro-Ukraine hacker group targets Russian companies with custom ransomware
The group, which calls itself VantaCore, has targeted at least seven known victims, Russian cybersecurity firm F6 said in a report published this week.
F6 US
The group, which calls itself VantaCore, has targeted at least seven known victims, Russian cybersecurity firm F6 said in a report published this week.
F6 US
Cybercriminals breached company data and made an extortion attempt with it, Houston-based Nutex Health said in a filing with federal regulators.
Governing Mayor Kai Wegner said on Friday that Berlin had received an extortion demand following the cyberattack, which was discovered in mid-August.
Berlin's city administration has confirmed that cybercriminals are attempting to extort the city after the Rhysida ransomware gang listed it on their data leak site. [...]
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
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.
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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