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Breached By Bugs: Learning from CISA’s Attack and the Importance of Patch Management


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In February 2024, the Cybersecurity and Infrastructure Security Agency (CISA) itself fell victim to a cyberattack, highlighting the ever-present threat landscape and the importance of robust cybersecurity practices.

The attack exploited vulnerabilities in Ivanti products used by CISA, compromising two of their systems. Let’s delve into the details of this incident and explore valuable lessons for organizations of all sizes.

CISA Compromised: A Wake-Up Call for Effective Patch Management

The attack leveraged known vulnerabilities (CVE-2023-46805 and CVE-2024-21887) in Ivanti Connect Secure and Policy Secure, remote access VPN solutions. These vulnerabilities had been disclosed by Ivanti in January 2024, with a security patch readily available. However, CISA’s systems remained unpatched, creating an entry point for attackers.

While CISA swiftly addressed the issue and no critical data was compromised, the incident serves as a stark reminder that even government agencies are not immune to cyberattacks. It underscores the critical role of timely patch management in mitigating cyber risks.

Beyond CISA: Widespread Threat to Organizations Using Ivanti Products

The vulnerabilities exploited in the CISA attack were not isolated incidents. Security researchers identified these flaws in December 2023, and various threat actors, including state-backed groups, began actively targeting them. Organizations across different sectors using Ivanti products were potentially exposed.

10 Cybersecurity Lessons Learned: Patching, Awareness, and More

Here are 10 crucial takeaways from the CISA attack and the broader Ivanti vulnerability saga:

  1. Patch Management is Paramount: Prioritize timely installation of security patches for all software and systems, addressing known vulnerabilities promptly.
  2. Vulnerability Scanning & Assessments: Conduct regular vulnerability scans and penetration testing to identify and address weaknesses in your IT infrastructure.
  3. Threat Intelligence: Stay informed about the latest cyber threats and vulnerabilities targeting your specific industry and software vendors.
  4. Software Vendor Reputation: Consider a software vendor’s track record of addressing vulnerabilities when making purchasing decisions.
  5. Layered Security: Implement a layered security approach that combines firewalls, intrusion detection/prevention systems (IDS/IPS), and endpoint protection software for comprehensive defense.
  6. Employee Training: Educate employees on cybersecurity best practices, including identifying phishing attempts and reporting suspicious activity.
  7. Incident Response Plan: Develop a comprehensive incident response plan outlining procedures for responding to cyberattacks, minimizing damage, and ensuring swift recovery.
  8. Regular Backups: Implement a consistent data backup strategy to ensure critical data is protected in case of cyberattacks or hardware failures.
  9. Third-Party Risk Management: Assess and manage the cybersecurity posture of third-party vendors and partners who have access to your systems or data.
  10. Security Culture: Foster a culture of cybersecurity awareness within your organization, emphasizing the importance of secure practices.


The CISA attack serves as a valuable learning experience for all organizations. By prioritizing patch management, staying informed about cyber threats, and implementing a comprehensive security strategy, businesses can significantly reduce their cyber risk and safeguard their critical data. Remember, cybersecurity is an ongoing process, not a one-time fix. Vigilance and continuous improvement are key to staying ahead of cyber threats in today’s ever-evolving digital landscape.

Ouaissou DEMBELE
Ouaissou DEMBELEhttps://cybercory.com
Ouaissou DEMBELE is an accomplished cybersecurity professional and the Editor-In-Chief of cybercory.com. He has over 10 years of experience in the field, with a particular focus on Ethical Hacking, Data Security & GRC. Currently, Ouaissou serves as the Co-founder & Chief Information Security Officer (CISO) at Saintynet, a leading provider of IT solutions and services. In this role, he is responsible for managing the company's cybersecurity strategy, ensuring compliance with relevant regulations, and identifying and mitigating potential threats, as well as helping the company customers for better & long term cybersecurity strategy. Prior to his work at Saintynet, Ouaissou held various positions in the IT industry, including as a consultant. He has also served as a speaker and trainer at industry conferences and events, sharing his expertise and insights with fellow professionals. Ouaissou holds a number of certifications in cybersecurity, including the Cisco Certified Network Professional - Security (CCNP Security) and the Certified Ethical Hacker (CEH), ITIL. With his wealth of experience and knowledge, Ouaissou is a valuable member of the cybercory team and a trusted advisor to clients seeking to enhance their cybersecurity posture.


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