US lawmakers seek investigation into impact of CISA cuts.

The bulletin reports three items: U.S. Democrats asked the GAO to investigate the operational impact of staffing cuts at CISA; an active campaign is exploiting a high-severity Zimbra RCE (CVE-2026-73570) with hundreds of instances compromised and thousands remaining unpatched despite a vendor patch and federal guidance; and the U.S. Treasury and DOJ sanctioned and indicted alleged Iranian MOIS hackers accused of breaching and exfiltrating data from multiple critical infrastructure sectors.