TENB ▼ -0.1% - Tenable Holdings, Inc. $TENB - Tenable Joins White House-Led Project Watershed to Bolster U.S. Water Systems Cybersecurity Tenable Holdings shares fell 0.1% today following the company's announcement that it has joined Project Watershed, a White House-led initiative aimed at strengthening cybersecurity defenses across U.S. water systems. The partnership positions Tenable as a key player in critical infrastructure protection, though the minimal market reaction suggests investors are waiting to assess the financial impact of the commitment. 31-AUG-2026 03:00 PM ET