Top Headlines:

• Group-IB | HOLLOWGRAPH: Turning Microsoft 365 Calendars into Covert Command-and-Control Channels: https://www.group-ib.com/blog/hollowgraph-microsoft-365/
• The Hacker News | New Bit2Watt Attack Could Let Cloud Tenants Disrupt Power Grids Without an Exploit: https://thehackernews.com/2026/07/new-bit2watt-attack-could-let-cloud.html
• Elastic | New North Korean campaign uses fake coding interviews to steal developer credentials: https://www.elastic.co/security-labs/contagious-interview-malware-svg-steganography
• Island.io | AgentBaiting: How Fake AI Skills Deliver Malware at Scale: https://www.island.io/blog/agentbaiting-how-800-fake-ai-skills-and-mcp-servers-delivered-malware