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Sophos Blogs

Latest blog posts and insights from Sophos

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I am not a robot: ClickFix used to deploy StealC and Qilin

Posted on 18 December 2025 | 8:20 pm

React2Shell flaw (CVE-2025-55182) exploited for remote code execution

Posted on 18 December 2025 | 5:34 pm

I am not a robot: ClickFix used to deploy StealC and Qilin

The fake human verification process led to infostealer and ransomware infectionsCategories: Threat ResearchTags: clickfix, featured, GOLD FEATHER, ...
Posted on 18 December 2025 | 12:00 am

Game of clones: Sophos and the MITRE ATT&CK Enterprise 2025 Evaluations

Posted on 17 December 2025 | 3:36 pm

A big finish to 2025 in December’s Patch Tuesday

Posted on 17 December 2025 | 2:39 pm

Game of clones: Sophos and the MITRE ATT&CK Enterprise 2025 Evaluations

Winter is coming – so it must be time for Sophos X-Ops’ report on this year’s MITRE ATT&CK Enterprise EvaluationsCategories: Threat ResearchTag...
Posted on 15 December 2025 | 12:00 am

Sophos Tops G2 Winter 2026 Reports: #1 Overall in Endpoint, XDR, MDR and Firewall

#1 Ranked in 66 Global ReportsCategories: Products & ServicesTags: PRODUCTS & SERVICES, G2, Sophos Endpoint, Sophos Firewall, Sophos MDR
Posted on 11 December 2025 | 12:00 am

GOLD SALEM tradecraft for deploying Warlock ransomware

Analysis of the tradecraft evolution across 6 months and 11 incidentsTags: threat research, cybercrime, featured, GOLD SALEM, Ransomware, Warlock
Posted on 11 December 2025 | 12:00 am

A big finish to 2025 in December’s Patch Tuesday

A month with no Critical-severity Windows bugs is overshadowed by a mass of Mariner mop-upCategories: X-opsTags: threat research, featured, Microso...
Posted on 11 December 2025 | 12:00 am

React2Shell flaw (CVE-2025-55182) exploited for remote code execution

The availability of exploit code will likely lead to more widespread opportunistic attacksTags: Threat Research, Featured, vulnerability, react2shell
Posted on 11 December 2025 | 12:00 am

Sophos achieves its best-ever results in the MITRE ATT&CK Enterprise 2025 Evaluation

A major milestone: Sophos XDR delivers 100% detection1 coverage in the latest ATT&CK Evaluation.Categories: Products & Services, Security O...
Posted on 10 December 2025 | 12:00 am

Sophos Firewall v22 is now available

Secure by Design.Categories: Products & ServicesTags: featured, Firewall, network, Sophos Firewall, v22
Posted on 9 December 2025 | 7:20 am

Sophos Named One of Computerworld’s 2026 Best Places to Work in IT

Sophos has been named one of Computerworld’s 2026 Best Places to Work in IT for the second consecutive year, earning 10th place among large organiz...
Posted on 9 December 2025 | 12:00 am