Attacks

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…

Read More

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.…

Read More

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…

Read More

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…

Read More

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

Read More

Today, the Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC)—in partnership with CISA, U.S. government and international partners—released the guide Principles of Operational Technology Cybersecurity. This guidance provides critical information on how to create and maintain a safe, secure operational technology (OT) environment. The six principles outlined in this guide are intended to aid organizations in identifying how business decisions may adversely impact the cybersecurity of OT and the specific risks associated with those…

Read More

Today, the Cybersecurity and Infrastructure Security Agency (CISA) released its Vulnerability Disclosure Policy (VDP) Platform 2023 Annual Report, highlighting the service’s remarkable success in 2023, its second full year of operation. Throughout 2023, CISA focused on advocating for the increased agency adoption of the VDP Platform, supporting federal civilian executive branch (FCEB) agencies in identifying vulnerabilities in their systems, and engaging the public security researcher community. Public security researchers play a vital role in securing our…

Read More

Cisco released its September 2024 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication to address vulnerabilities in IOS and IOS XE. 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 the necessary updates:  September 2024 Semiannual Cisco IOS and IOS XE Software Security Advisory Bundled Publication

Read More

Today, the Australian Signals Directorate Australian Cyber Security Centre (ASD ACSC), the Cybersecurity and Infrastructure Security Agency (CISA), and other U.S. and international partners released the joint guide Detecting and Mitigating Active Directory Compromises. This guide informs organizations of recommended strategies to mitigate common techniques used by malicious actors to compromise Active Directory. Active Directory is the most widely used authentication and authorization solution in enterprise information technology (IT) networks globally. Malicious actors routinely target…

Read More

CISA continues to respond to active exploitation of internet-accessible operational technology (OT) and industrial control systems (ICS) devices, including those in the Water and Wastewater Systems (WWS) Sector. Exposed and vulnerable OT/ICS systems may allow cyber threat actors to use default credentials, conduct brute force attacks, or use other unsophisticated methods to access these devices and cause harm.    CISA urges OT/ICS operators in critical infrastructure sectors to apply the recommendations listed in Defending OT Operations…

Read More