Use when: You need immediate awareness of a high-priority threat or vulnerability and a rapid response. Cybersecurity Advisory: Provides detailed information on cyber threats, including threat actor tactics, techniques, and procedures and indicators of compromise, along with recommended actions ...

By staying current on threats and risk factors, CISA helps ensure our nation is protected against serious cyber dangers.

Note: This joint Cybersecurity Advisory is being published as an addition to the Cybersecurity and Infrastructure Security Agency (CISA) May 6, 2025, joint fact sheet Primary Mitigations to Reduce Cyber Threats to Operational Technology and European Cybercrime Centre’s (EC3) Operation Eastwood, in which CISA, Federal Bureau of Investigation (FBI), Department of Energy (DOE), Environmental Protection Agency (EPA), and EC3 shared information about cyber incidents affecting the operational technology (OT) and industrial control systems (ICS) of critical infrastructure entities in the United States and globally.

ICS Advisory (ICSA): Cybersecurity advisory detailing novel vulnerabilities impacting industrial control system (ICS), operational technology (OT), and Internet-of-Things (IoT) devices and technology. Advisory elements include affected products and versions, vulnerability information, and ...

CISA released one Industrial Control Systems (ICS) Advisory.

As an independent advisory body, the Committee provides strategic and actionable recommendations to the CISA Director on a range of cybersecurity issues, topics, and challenges.

Fortinet Multiple Products Improper Verification of Cryptographic Signature Vulnerability: Fortinet FortiOS, FortiSwitchMaster, FortiProxy, and FortiWeb contain an improper verification of cryptographic signature vulnerability that may allow an unauthenticated attacker to bypass the FortiCloud SSO login authentication via a crafted SAML message. Please be aware that CVE-2025-59719 pertains to the same problem and is mentioned in the same vendor advisory.

Today, Cybersecurity and Infrastructure ... and Human Services, and international partners, released an updated joint Cybersecurity Advisory, #StopRansomware: Akira Ransomware, to provide network defenders with the latest indicators of compromise, tactics, techniques, and procedures, ...

Joint Cybersecurity Advisory Warns of Organized Threat Actors Seeking Targets of Opportunity Across All Critical Infrastructure Sectors ... WASHINGTON - Today, the Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), National Security Agency (NSA), ...

CISA, FBI, NSA and other partners release cybersecurity advisory on pro-Russia hacktivist attacks on US and global critical infrastructure.

Advisory (AA25-071A): #StopRansomware: ... Information Sharing and Analysis Center (MS-ISAC) are releasing this joint advisory to disseminate known Medusa ransomware TTPs and IOCs, identified through FBI investigations as recently as February 2025....

CISA, along with the Federal Bureau of Investigation, Canadian Centre for Cyber Security, Royal Canadian Mounted Police, the Australian Cyber Security Centre’s Australian Signals Directorate, and the Australian Federal Police and National Cyber Security Centre, released an updated joint Cybersecurity Advisory on Scattered Spider—a cybercriminal group targeting commercial facilities sectors and subsectors.

Between December 15 and 21, 2025, CISA published ICS advisories to address vulnerabilities in the following products:

CISA, along with the National Security Agency, Federal Bureau of Investigation, and international partners, released a joint Cybersecurity Advisory on People’s Republic of China (PRC) state-sponsored Advanced Persistent Threat (APT) actors targeting critical infrastructure across sectors and continents to maintain persistent, long-term access to networks.

Organizations are strongly encouraged to deploy these updated IOCs and signatures, and to follow the detection guidance to scan for and respond to BRICKSTORM infections If BRICKSTORM, similar malware, or potentially related activity is detected, report the incident to CISA’s 24/7 Operations Center at [email protected] or (888) 282-0870. This product is provided subject to this Notification and this Privacy & Use policy. Sector: Government Services and Facilities Sector, Information Technology Sector · Topics: Cyber Threats and Advisories, Incident Detection, Response, and Prevention, Malware, Phishing, and Ransomware

The Latest Cybersecurity Alerts from the Cybersecurity & Infrastructure Security Agency (CISA), Canadian Centre for Cyber Security and Federal Bureau of Investigation

CISA News CISA Blog · Cybersecurity Alerts & Advisories (all) > ICS Advisories > ICS Medical Advisories ·

View the collection of reports and recommendations published by the CISA Cybersecurity Advisory Committee.

CISA, in partnership with the U.S. Coast Guard (USCG), released a joint Cybersecurity Advisory aimed at helping critical infrastructure organizations improve their cyber hygiene. This follows a proactive threat hunt engagement conducted at a U.S.

CISA Alert AA23-144A – People's Republic of China state-sponsored cyber actor living off the land to evade detection. Cybersecurity authorities are issuing this joint Cybersecurity Advisory to highlight a recent cluster of activity associated with a People’s Republic of China state-sponsored cyber actor, also known as Volt Typhoon.