Cybersecurity remained a central concern across enterprise and open-source ecosystems this month as multiple high-profile incidents and critical vulnerability disclosures affected widely deployed platforms. Security teams continued to face pressure to patch faster, monitor exposed systems more closely, and respond to a growing volume of actively exploited vulnerabilities.

Verizon’s 2026 Data Breach Investigations Report found that the exploitation of vulnerabilities overtook stolen credentials as the leading initial access method in analysed breaches for the first time. Microsoft’s May Patch Tuesday also addressed roughly 120 vulnerabilities affecting Office, SharePoint Server, and Windows enterprise infrastructure.

The open-source sector saw renewed urgency around patch management after the Drupal Security Team released SA-CORE-2026-004, a highly critical SQL injection vulnerability affecting supported Drupal core versions using PostgreSQL databases.…