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CISA Alerts on Cyber Threats: Focus on Ransomware and Vulnerabilities

Luciano Ferrari

15 Dec 2025 — 2 min read

Monday, December 15, 2025

Top 5 Cybersecurity Stories You Should Know

CISA Alerts on Cyber Threats: Focus on Ransomware and Vulnerabilities — tl;dr: The Cybersecurity and Infrastructure Security Agency (CISA) is actively monitoring and sharing critical information regarding evolving cyber threats, including malware, phishing, and ransomware attacks. CISA emphasizes the importance of safeguarding national security against sophisticated cyber actors and nation-state threats. Organizations are encouraged to utilize CISA's resources, such as the Known Exploited Vulnerabilities Catalog and the StopRansomware initiative, to enhance their cybersecurity posture. By staying informed and implementing recommended best practices, individuals and businesses can better protect themselves against potential cyber incidents.
↪ https://www.cisa.gov/topics/cyber-threats-and-advisories
CISA Warns of BRICKSTORM Malware Threat to Critical Infrastructure — tl;dr: The Cybersecurity and Infrastructure Security Agency (CISA) has issued an alert regarding the BRICKSTORM malware, which poses a significant threat to U.S. government and critical infrastructure. This malware is reportedly deployed by state-sponsored actors from the People's Republic of China. Organizations are urged to implement key actions and mitigations to detect and protect against ongoing intrusions. CISA emphasizes the importance of cybersecurity best practices and encourages all stakeholders, including government and industry, to enhance their defenses against these emerging threats.
↪ https://www.cisa.gov/
CISA Cybersecurity Best Practices for Individuals and Organizations — tl;dr: The Cybersecurity and Infrastructure Security Agency (CISA) provides essential cybersecurity best practices aimed at enhancing online safety for individuals and organizations. Key recommendations include using strong passwords, enabling multi-factor authentication, and keeping software updated. CISA emphasizes the importance of tailored cybersecurity plans to mitigate risks associated with cyber threats, particularly as technology becomes more integrated into daily life. By adopting these practices, users can significantly improve their defenses against potential cyber incidents, thereby contributing to national cybersecurity resilience.
↪ https://www.cisa.gov/topics/cybersecurity-best-practices
CISA Offers Comprehensive Cybersecurity Training and Exercises for All Levels — tl;dr: The Cybersecurity and Infrastructure Security Agency (CISA) provides extensive no-cost training and exercises aimed at enhancing the cybersecurity workforce across federal, private, and public sectors. CISA Learning, a new platform, offers a variety of online courses covering essential topics such as cloud security and incident response. Additionally, CISA conducts cyber exercises to improve critical infrastructure resilience. Stakeholders, including government employees and industry professionals, can access resources to develop their cybersecurity skills and preparedness strategies. For more information, visit CISA's official training page.
↪ https://www.cisa.gov/cybersecurity-training-exercises
CISA's Cyber Safety Resources for Organizations of All Sizes — tl;dr: The Cybersecurity and Infrastructure Security Agency (CISA) provides essential tools, resources, and services to help organizations enhance their cybersecurity posture. With the increasing threat of sophisticated cyber actors and nation-states, it is crucial for all organizations, regardless of size, to adopt best practices in cybersecurity. CISA emphasizes a holistic approach that involves leadership, IT, and various departments within an organization. By implementing CISA's guidelines and utilizing their training and services, organizations can better protect their critical assets and ensure the continuity of essential services.
↪ https://www.cisa.gov/topics/cybersecurity-best-practices/organizations-and-cyber-safety