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Any cyber-attack, no matter how small, is a threat to our national security and must be identified, managed, and shut down. CISA’s Role CISA diligently tracks and shares information about the latest cybersecurity risks, attacks, and vulnerabilities, providing our nation with the tools and resources needed to defend against these threats.
Today marks two years since a watershed moment in the short but turbulent history of cybersecurity. On May 7, 2021, a ransomware attack on Colonial Pipeline captured headlines around the world with pictures of snaking lines of cars at gas stations across the eastern seaboard and panicked Americans filling bags with fuel, fearful of not being ...
Report Malicious Activity. Urgently report potential malicious activity to CISA or the FBI: The easiest way is to go to CISA.gov and click the “report a cyber issue” button right up top. You can also contact CISA’s 24/7 Operations Center: cisa.gov/report | report@cisa.gov. (link sends email)
Cyber actors used su-bruteforce to brute force a selected user using the su command. Cyber actors used BloodHound, an open source AD reconnaissance tool that can reveal hidden relationships and identify attack paths within an AD environment. Cyber actors used CrackMapExec via ProxyChains with SMB protocol targeting internal victim IP addresses.
The cyber-attack was reportedly synchronized and coordinated, probably following extensive reconnaissance of the victim networks. According to company personnel, the cyber-attacks at each company occurred within 30 minutes of each other and impacted multiple central and regional facilities.
The cyber threat actors likely accessed the affected devices—Unitronics Vision Series PLCs with HMI—by exploiting cybersecurity weaknesses, including poor password security and exposure to the internet. To safeguard against this threat, the authoring agencies urge organizations to consider the following: Immediate steps to prevent attack:
CISA offers a range of cybersecurity services and resources focused on operational resilience, cybersecurity practices, organizational management of external dependencies, and other key elements of a robust and resilient cyber framework. CISA helps individuals and organizations communicate current cyber trends and attacks, manage cyber risks ...
In July 2022, Iranian state cyber actors—identifying as “HomeLand Justice”—launched a destructive cyber attack against the Government of Albania which rendered websites and services unavailable. A FBI investigation indicates Iranian state cyber actors acquired initial access to the victim’s network approximately 14 months before ...
Iran Cyber Threat Overview and Advisories. Report to CISA. CISA works to ensure U.S. critical infrastructure, government partners, and others have the information and guidance to defend themselves against People’s Republic of China (PRC) state-sponsored cybersecurity activity. According to our joint advisory on PRC state-sponsored activity ...
Summary. On February 5, 2021, unidentified cyber actors obtained unauthorized access to the supervisory control and data acquisition (SCADA) system at a U.S. drinking water treatment facility. The unidentified actors used the SCADA system’s software to increase the amount of sodium hydroxide, also known as lye, a caustic chemical, as part of ...