Cybersecurity Headlines Apple blocks ByteDance, Google's 90 zero-days, Iran backdoors U.S. organizations
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Mar 6, 2026 Apple blocking downloads of certain Chinese apps in the US makes waves. Google reveals a sharp spike in zero-day exploits hitting enterprise systems. Iranian intelligence actors are accused of implanting backdoors in US networks. New moves in AI security, healthcare risk tools, and legal fallout from ransomware cases round out the headlines.
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Apple Blocks ByteDance Apps In US
- Apple is blocking downloads and updates of ByteDance Chinese apps for iPhones physically located in the US even if users hold valid Chinese App Store accounts.
- The restriction began in January and affects TikTok parent company apps, with Apple and ByteDance declining to comment, according to Steve Prentiss.
Google Nails 90 Exploited Zero Days In 2025
- Google tracked 90 zero-day vulnerabilities exploited in 2025, a 15% increase from 2024 but below the 2023 peak of 100 zero-days.
- Almost half targeted enterprise products, especially security appliances, network infrastructure, VPNs, and virtualization platforms, per Steve Prentiss relaying Google Threat Intelligence Group findings.
Iranian Intel Backdoors Multiple US Networks
- An Iranian cyber crew tied to the Ministry of Intelligence and Security has been embedded in multiple U.S. and Canadian organizations since early February.
- Symantec and Carbon Black link the activity to the MuddyWater group, which has worked for Iranian intelligence since about 2018, as reported by Steve Prentiss.