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critical infrastructure
Iranian cyber activity hits US energy, water, and government networks

U.S. government agencies on Tuesday warned American organizations about ongoing cyber activity targeting OT and PLC devices, including those manufactured by Rockwell …

F5
Attackers are exploiting RCE vulnerability in BIG-IP APM systems (CVE-2025-53521)

A critical unauthenticated remote code execution vulnerability (CVE-2025-53521) in F5’s BIG-IP Access Policy Manager (APM) solution is under active exploitation, the US …

CISA
CISA sounds alarm on Langflow RCE, Trivy supply chain compromise after rapid exploitation

The US Cybersecurity and Infrastructure Security Agency (CISA) has added two new vulnerabilities to its Known Exploited Vulnerabilities catalog: CVE-2026-33017, a recently …

Signal app
Russian hackers go after high-value targets through Signal

Russian intelligence-linked hackers are targeting commercial messaging platforms, with Signal a primary focus, the FBI and CISA warn. The campaign is aimed at individuals of …

CISA
Secure endpoint management systems immediately, CISA urges

The US Cybersecurity and Infrastructure Security Agency (CISA) warns that the cyberattack on Stryker Corporation serves as a signal to U.S. organizations that foreign cyber …

Microsoft SharePoint
CISA warns of active exploitation of Microsoft SharePoint vulnerability (CVE-2026-20963)

CVE-2026-20963, a remote code execution (RCE) SharePoint vulnerability Microsoft fixed in January 2026, is being exploited by attackers. The confirmation comes from the US …

Cisco
Threat actor leveraged Cisco SD-WAN zero-day since 2023 (CVE-2026-20127)

A “highly sophisticated” cyber threat actor has been exploiting a zero-day authentication bypass vulnerability (CVE-2026-20127) in Cisco Catalyst SD-WAN Controller …

Soliton
CISA flags exploited FileZen command injection bug, patch now! (CVE-2026-25108)

CISA has added CVE-2026-25108, an OS command injection vulnerability in Soliton Systems’ FileZen secure file transfer solution, to its Known Exploited Vulnerabilities …

CISA
Binding Operational Directive 26-02 sets deadlines for edge device replacement

In this Help Net Security video, Jen Sovada, General Manager, Public Sector at Claroty, explains CISA’s Binding Operational Directive 26-02 and what it means for federal …

CISA
Why secure OT protocols still struggle to catch on

Industrial control system networks continue to run on legacy communication protocols that were built for reliability and uptime, not authentication or data integrity. In many …

networking
CISA orders US federal agencies to replace unsupported edge devices

The US Cybersecurity and Infrastructure Security Agency (CISA) issued a new binding operational directive aimed at reducing a long-standing cyber risk across federal networks: …

alert
Ransomware attackers are exploiting critical SmarterMail vulnerability (CVE-2026-24423)

For the third time in two weeks, CISA added a vulnerability (CVE-2026-24423) affecting SmarterTools’ SmarterMail email and collaboration server to its Known Exploited …

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