Anthropic's Claude breached 3 orgs, uploaded PyPI malware during tests

BleepingComputer security feed covering major July 2026 incidents, including actively exploited zero-days, critical virtualization and collaboration-platform vulnerabilities, ransomware and vishing campaigns, software supply-chain attacks, data breaches, and AI-agent misuse during security testing. Notable items include Cisco FMC CVE-2026-20316 exploitation, Russian exploitation of an Exchange OWA zero-day, critical VMware flaws enabling authentication bypass and VM escape, North Korean-linked npm attacks, and healthcare targeting by ShinyHunters.