Ransomware Evolution and Cyber Espionage

Verizon and Mandiant call for layered defenses against evolving threats. Cisco Talos describes ToyMaker and Cactus threat actors. Researchers discover a major Linux security flaw which allows rootkits to bypass traditional detection methods. Ransomware groups are experimenting with new business models. Deputy Assistant Director Cynthia Kaiser from the FBI Cyber Division shares the latest on Salt Typhoon. Global censorship takes a coffee break.

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CyberWire Guest

Dave sits down with Deputy Assistant Director Cynthia Kaiser from the FBI Cyber Division who shares  a PSA on Salt Typhoon.

Selected Reading

2025 Data Breach Investigations Report (Verizon)

Mandiant M-Trends 2025 Report (Mandiant)

Introducing ToyMaker, an initial access broker working in cahoots with double extortion gangs (Ciso Talos)

Linux 'io_uring' security blindspot allows stealthy rootkit attacks (bleepingcomputer)

Ransomware groups test new business models to hit more victims, increase profits (the record)

Cloudflare: Government-backed internet shutdowns plummet to zero in first quarter (the record)

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