Cybersecurity firm Proofpoint has completed its acquisition of Tessian, a company specialised in AI-powered behavioural and dynamic detection. The deal will enhance Proofpoint’s threat and information protection solutions, addressing frequent forms of data loss. The new solution expects to dominate against a full range of human-targeted threats. Proofpoint intends to bring these solutions to market in early 2024.

Mandiant warns of attacks on newly-disclosed Ivanti remote takeover threat
Google’s Mandiant team has issued an alert about a remote code execution flaw in the Ivanti Connect Secure VPN platform. The vulnerability, designated CVE-2025-22457, is