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Attackers impersonate popular AI brands to spread malware
Sophos documented 38 MDR cases where attackers impersonated AI brands like Claude and Perplexity to deliver infostealers and backdoors.
Sophos X-Ops analyzed 12 months of MDR cases and confirmed 38 incidents involving AI. Software impersonation accounted for 30 cases, with Claude impersonated in 26; fake installers used an 'InstallFix' technique delivering mshta commands, in-memory payloads, and process hollowing. Malicious browser extensions posing as AI assistants, including a fake Perplexity extension with 10,000 installs, acted as infostealers. In one case, attackers used a Claude coding agent to develop a Rust remote access trojan communicating over Slack after an SQL injection compromise.
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North Korean Job Fraud Expands Beyond IT Into Healthcare and Sales
North Korea's IT worker scheme (Famous Chollima/PurpleDelta) has expanded from IT into healthcare, sales, and financial services roles worldwide.
Huntress and Recorded Future documented DPRK-linked fraudulent workers landing remote jobs beyond IT, including at an Australian healthcare company, a financial services firm, and a sales hire with a stolen identity. The scheme, tracked as Famous Chollima, Jasper Sleet, Nickel Tapestry, PurpleDelta, UNC5267, and Wagemole, uses forged identity documents, VPNs, proxies, and laptop farms with PiKVM and capture cards to fund Pyongyang's weapons programs. Recorded Future found the PurpleDelta cluster applied to 1,100+ companies between late 2024 and early 2025 with 22 fabricated personas, some AI-generated, using ChatGPT and AI transcription during interviews. Analysts assess the activity is ongoing and likely to expand in scale and sophistication.
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