All news with #cisa tag

AI Creates New Security Risks for OT Networks, Warn Agencies

⚠️ CISA and international partner agencies have issued guidance warning that integrating AI into operational technology (OT) for critical infrastructure can introduce new security and safety risks. The guidance highlights threats such as prompt injection, data poisoning, data collection issues, AI drift and hallucinations, as well as human de‑skilling and cognitive overload. It urges adoption of secure design principles, cautious deployment, operator education and consideration of in‑house development to retain long‑term control.

Weekly Cyber Recap: React2Shell, AI IDE Flaws, DDoS

🛡️ This week's bulletin spotlights a critical React Server Components flaw, CVE-2025-55182 (React2Shell), that was widely exploited within hours of disclosure, triggering emergency mitigations. Researchers also disclosed 30+ vulnerabilities in AI-integrated IDEs (IDEsaster), while Cloudflare mitigated a record 29.7 Tbps DDoS attributed to the AISURU botnet. Additional activity includes espionage backdoors (BRICKSTORM), fake banking apps distributing Android RATs in Southeast Asia, USB-based miner campaigns, and new stealers and packer services. Defenders are urged to prioritize patching, monitor telemetry, and accelerate threat intelligence sharing.

CISA Releases Nine ICS Advisories for Multiple Vendors

🔔 On December 4, 2025, CISA published nine Industrial Control Systems advisories addressing vulnerabilities in products from Mitsubishi Electric, MAXHUB, Johnson Controls, Sunbird, SolisCloud, and Advantech. The release also includes updated advisories for Consilium Safety CS5000 and Johnson Controls FX families. Each advisory provides technical details, affected versions, and recommended mitigations. Administrators are encouraged to review the advisories and apply vendor guidance promptly.

CISA Launches Industry Engagement Platform to Innovate

🛡️ CISA launched the Industry Engagement Platform (IEP) to create a structured, two-way channel between the agency and companies, researchers, and academia to present emerging cybersecurity and infrastructure technologies. The platform lets organizations build customizable technology profiles and upload capability overviews to connect with the right CISA subject-matter experts. Participation does not confer preferential contract consideration, but informs CISA market research and mission needs.

Guide: Secure Integration of AI in Operational Technology

🔒 The Cybersecurity and Infrastructure Security Agency (CISA) and the Australian Signals Directorate’s Australian Cyber Security Centre published a joint guide outlining four principles to safely integrate AI into operational technology (OT). The guidance emphasizes educating personnel, assessing AI uses and data risks, establishing governance, and embedding safety and security. It focuses on ML, LLMs, and AI agents while remaining applicable to other automation approaches. CISA and international partners encourage OT owners and operators to adopt these risk-informed practices to protect critical infrastructure.

CISA Adds Two Android Vulnerabilities to KEV Catalog

⚠️ CISA added two Android Framework vulnerabilities to the KEV Catalog: CVE-2025-48572 (privilege escalation) and CVE-2025-48633 (information disclosure). Both issues show evidence of active exploitation and pose significant risk to the federal enterprise. Under BOD 22-01, FCEB agencies must remediate cataloged vulnerabilities by their due dates; CISA strongly urges all organizations to prioritize timely patching and other mitigations.

CISA Adds Oracle Fusion Middleware CVE to KEV Catalog

🔒 CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog: CVE-2025-61757, a Missing Authentication for Critical Function issue affecting Oracle Fusion Middleware. The entry was added based on evidence of active exploitation and is identified as a common attack vector that poses significant risk to the federal enterprise. Under BOD 22-01, Federal Civilian Executive Branch agencies must remediate KEV entries by the specified due date; CISA strongly urges all organizations to prioritize timely remediation and other risk-reduction measures.

CISA Releases Guides to Safeguard Infrastructure from UAS

🛡️ CISA released three new Be Air Aware™ guides to help critical infrastructure owners and operators identify and mitigate risks posed by unmanned aircraft systems (UAS). The publications include Unmanned Aircraft System Detection Technology Guidance for Critical Infrastructure, Suspicious Unmanned Aircraft System Activity Guidance for Critical Infrastructure Owners and Operators, and Safe Handling Considerations for Downed Unmanned Aircraft Systems. Developed with government and industry partners, the guides provide practical options to integrate UAS threats into existing security and emergency response plans. CISA encourages organizations to adopt the recommendations to strengthen resilience and align with related directives.

CISA Orders Feds to Patch Actively Exploited Cisco Flaws

🔒 CISA has ordered U.S. federal agencies to fully patch two actively exploited vulnerabilities in Cisco firewall appliances within 24 hours. Tracked as CVE-2025-20362 and CVE-2025-20333, the flaws permit unauthenticated access to restricted URL endpoints and remote code execution; chained together they can yield full device takeover. The agency emphasized applying the latest updates to all ASA and Firepower devices immediately, not just Internet-facing units.

CISA, FBI and Partners Issue Guidance on Akira Ransomware

🛡️ CISA, FBI, DC3, HHS and international partners released updated guidance to help organizations mitigate the evolving Akira ransomware threat. The advisory details new indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) used by the group, which primarily targets small and medium-sized businesses but has also struck larger organizations across multiple sectors. It strongly urges immediate actions such as regular backups, enforcing multifactor authentication, and prioritizing remediation of known exploited vulnerabilities.

ThreatsDay Bulletin: Key Cybersecurity Developments

🔐 This ThreatsDay Bulletin surveys major cyber activity shaping November 2025, from exploited Cisco zero‑days and active malware campaigns to regulatory moves and AI-related leaks. Highlights include CISA's emergency directive after some Cisco updates remained vulnerable, a large-scale study finding 65% of AI firms leaked secrets on GitHub, and a prolific phishing operation abusing Facebook Business Suite. The roundup stresses practical mitigations—verify patch versions, enable secret scanning, and strengthen incident reporting and red‑teaming practices.

Legal Boundaries and Risks of Private Hackback Operations

🔒 Former DoJ attorney John Carlin examines hackbacks, defining them as proactive counterattacks that go beyond passive defense. He argues that purely defensive measures that only affect a victim’s systems are generally lawful, while offensive actions that damage or access an attacker’s systems are likely prohibited without government authorization. Carlin recommends oversight and legal clarification to the CFAA and CISA, and urges private actors to proceed with caution.

Senate Restores Lapsed Cybersecurity Laws After Shutdown

🛡️ The Senate voted 60-40 to advance a continuing resolution that temporarily reinstates the Cybersecurity Information Sharing Act of 2015 (CISA) and the Federal Cybersecurity Enhancement Act through January 2026. The measure restores liability shields, antitrust exemptions and FOIA protections that encourage private-sector threat sharing and renews authority for EINSTEIN intrusion-detection services for civilian agencies. The stopgap leaves another funding deadline early next year and raises questions about a full reauthorization versus further short-term extensions.

CISA Warns of Critical CentOS Web Panel RCE Exploit

⚠️ CISA warns that a critical remote command execution vulnerability, tracked as CVE-2025-48703, is being exploited in the wild against CentOS Web Panel (CWP). The flaw impacts all CWP versions before 0.9.8.1204 and allows unauthenticated attackers who know a valid username to inject shell commands via the file-manager changePerm t_total parameter. The vendor fixed the issue in 0.9.8.1205, and federal agencies have until Nov 25 under BOD 22-01 to remediate or stop using the product.

CISA, NSA and Partners Issue Exchange Server Best Practices

🔐 CISA, the NSA and international partners have published the Microsoft Exchange Server Security Best Practices to help organisations reduce exposure to attacks against hybrid and on‑premises Exchange deployments. The guidance reinforces Emergency Directive 25-02 and prioritises restricting administrative access, enforcing multi‑factor and modern authentication, tightening TLS and transport security, and applying Microsoft's Exchange Emergency Mitigation service. It also urges migration from unsupported or end‑of‑life systems and recommends use of secure baselines such as CISA's SCuBA. Agencies stress ongoing collaboration and a prevention-focused posture despite political and operational challenges.

CISA and NSA Issue Hardening Guidance for Exchange

🔒 CISA and the NSA, joined by the Australian Cyber Security Centre and the Canadian Centre for Cyber Security, released guidance to harden on-premises and hybrid Microsoft Exchange servers against attacks. The advisory emphasizes stronger authentication, minimized application attack surfaces, robust TLS configurations, and decommissioning unsupported servers after migration to Microsoft 365. It also recommends enabling emergency mitigations and built-in anti-spam and anti-malware protections and restricting administrative access to authorized workstations.

Fortinet Recognized by Crime Stoppers for Cyber Leadership

🏆 Fortinet received two 2025 Crime Stoppers International awards—the Cybersecurity Leadership Award and the Corporate Leadership in Crime Prevention Award—for its global efforts to disrupt cybercrime through intelligence sharing, partnership, and workforce development. FortiGuard Labs and the Fortinet Training Institute are cited for delivering actionable threat intelligence and scalable education. The honors validate more than a decade of sustained public‑private collaboration and data‑driven prevention.

CISA: Windows SMB Privilege Escalation Actively Exploited

🔒 CISA warns that threat actors are actively exploiting a high-severity Windows SMB vulnerability tracked as CVE-2025-33073, which can allow elevation to SYSTEM on unpatched machines. Microsoft patched the flaw in its June 2025 Patch Tuesday release, citing an improper access control weakness that can be abused over a network. The bug affects Windows Server, Windows 10 and Windows 11 up to 24H2. Federal agencies must remediate within three weeks under BOD 22-01, and all organizations are urged to apply the update immediately.

Reassignment of CISA Staff Raises National Cyber Risks

🔔 The US Department of Homeland Security has reassigned hundreds of cybersecurity personnel from the Cybersecurity and Infrastructure Security Agency to non-cyber roles supporting immigration and border enforcement, reports say. This shift has most impacted CISA’s Capacity Building team, which writes emergency directives and oversees protections for the government’s highest-value assets; refusal to accept new roles reportedly risks termination. Analysts warn that reductions in specialized threat hunting, vulnerability scanning, and coordinated advisories will slow response times and create exploitable gaps. Enterprises are urged to tighten patch cycles, adopt phishing-resistant MFA, review privileges, and rely on sector ISACs and private intel sharing while federal capacity is strained.

CISA Adds Synacor Zimbra XSS to Known Exploited Catalog

⚠️ CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog: CVE-2025-27915, a cross-site scripting (XSS) flaw in Synacor Zimbra Collaboration Suite (ZCS). CISA notes that XSS remains a common attack vector that can enable credential theft, session hijacking, and distribution of malicious content. Under BOD 22-01, Federal Civilian Executive Branch agencies must remediate KEV items by prescribed due dates. CISA urges all organizations to prioritize timely remediation and reduce exposure.