Insights

Today, CISA—with the Federal Bureau of Investigation (FBI), the National Security Agency (NSA), and international partners—released joint Cybersecurity Advisory Iranian Cyber Actors Brute Force and Credential Access Activity Compromises Critical Infrastructure. This advisory provides known indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) used by Iranian actors to impact organizations across multiple critical infrastructure sectors. Since October 2023, Iranian actors have used brute force and password spraying to compromise user accounts and obtain…

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Today, the Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigation (FBI) released joint guidance on Product Security Bad Practices, a part of CISA’s Secure by Design initiative. This joint guidance supplies an overview of exceptionally risky product security bad practices for software manufacturers who produce software in support of critical infrastructure or national critical functions.  The bad practices presented in this guidance are organized into three categories: product properties, security features,…

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Today, CISA published the Framing Software Component Transparency, created by the Software Bill of Materials (SBOM) Tooling & Implementation Working Group, one of the five SBOM community-driven workstreams facilitated by CISA. CISA’s community-driven working groups publish documents and reports to advance and refine SBOM and ultimately promote adoption. This resource serves as the detailed foundation of SBOM, defining SBOM concepts and related terms and offering an updated baseline of how software components are to be represented. This…

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CISA has observed cyber threat actors leveraging unencrypted persistent cookies managed by the F5 BIG-IP Local Traffic Manager (LTM) module to enumerate other non-internet facing devices on the network. F5 BIG-IP is a suite of hardware and software solutions designed to manage and secure network traffic. A malicious cyber actor could leverage the information gathered from unencrypted persistence cookies to infer or identify additional network resources and potentially exploit vulnerabilities found in other devices present on the network.…

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As hurricanes and other natural disasters occur, CISA urges individuals to remain on alert for potential malicious cyber activity. Fraudulent emails and social media messages—often containing malicious links or attachments—are common after major natural disasters. Exercise caution in handling emails with hurricane-related subject lines, attachments, or hyperlinks. In addition, be wary of social media pleas, texts, or door-to-door solicitations relating to severe weather events. Before responding, ensure hurricane-related guidance is from trusted sources, such as…

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Today, CISA and the Federal Bureau of Investigation (FBI) released joint fact sheet, How to Protect Against Iranian Targeting of Accounts Associated with National Political Organizations. This fact sheet provides information about threat actors affiliated with the Iranian Government’s Islamic Revolutionary Guard Corps (IRGC) targeting and compromising accounts of Americans to stoke discord and undermine confidence in U.S. democratic institutions. IRGC actors have previously gained and continue to seek access to personal and business accounts…

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Microsoft released security updates to address vulnerabilities in multiple products. A cyber threat actor could exploit some of these vulnerabilities to take control of an affected system. CISA encourages users and administrators to review the following and apply necessary updates: Microsoft Security Update Guide for October

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