Last Week in Cybersecurity - October 13 - 17, 2025
Catch up on last week’s top stories in cybersecurity — Europol dismantled a transnational SIM-box fraud ring tied to 3,200 scams and $5.8 million in losses across Europe. An indictment revealed suspected Iranian hackers accessed former national security adviser John Bolton’s emails and issued threats.
Researchers from Cisco Talos and Google Threat Intelligence Group detailed new evasive malware techniques used by North Korea-aligned operatives to steal data and cryptocurrency. U.S. officials seized $15 billion in Bitcoin from Chen Zhi’s Southeast Asia-based cybercrime network — the largest financial seizure on record. CISA issued an emergency directive after F5 disclosed a nation-state breach, while the company worked with DOJ on delayed disclosure. Rep. Eric Swalwell pressed CISA leaders on workforce cuts, and Microsoft patched 175 vulnerabilities, including two actively exploited zero-days.
LevelBlue announced plans to acquire Cybereason, continuing cybersecurity industry consolidation. Researchers showed $600 of satellite gear could intercept unencrypted military and corporate data, and ReliaQuest reported China’s Flax Typhoon group exploited ArcGIS features for persistent access. And, Massachusetts hacker Matthew Lane was sentenced to four years for attacks on PowerSchool and a U.S. telecom provider.
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