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Cybersecurity Misconfigurations to Fix Immediately

Common errors such as poor credential management, weak multi-factor authentication (MFA), and ineffective patch management expose organizations to various cyber threats.

Key Points:

  1. CISA and NSA Advisory: The U.S. Cybersecurity and Infrastructure Security Agency (CISA) and National Security Agency (NSA) released a joint advisory identifying the top 10 common cyber security misconfigurations in large organizations. This advisory highlights tactics, techniques, and procedures (TTPs) used by threat actors to exploit these vulnerabilities.
  2. Systemic Weaknesses: The advisory points to systemic weaknesses in many large organizations, including those with mature cyber defenses. It emphasizes the need for software manufacturers to adopt secure-by-design principles to ease the burden on network defenders.
  3. Common Misconfigurations: The ten most common misconfigurations include:
    • Default configurations: Allow unauthorized access through default credentials and settings.
    • Improper privilege separation: Excessive account privileges and insufficient separation between user and administrator roles.
    • Insufficient internal network monitoring: Poor configuration of network sensors and logging.
    • Lack of network segmentation: Absence of security boundaries within networks.
    • Poor patch management: Infrequent updates and unsupported systems.
    • Bypass of access controls: Use of compromised authentication methods like pass-the-hash.
    • Weak MFA methods: Misconfigured or weak MFA systems.
    • Insufficient ACLs on network shares: Improperly configured access control lists.
    • Poor credential hygiene: Use of weak and easily compromised passwords.
    • Unrestricted code execution: Allowing unverified programs to run, enabling malicious payloads.
  4. Mitigation Strategies: Each misconfiguration comes with recommended mitigation strategies, such as modifying default settings, implementing robust privilege management systems, enhancing network segmentation, regular patching, and using strong authentication protocols.
  5. Role of Business and Technology Teams: Paul Watts from the Information Security Forum stresses the need for both business and technology teams to prioritize and discuss cyber security configurations. He advocates for framing the conversation in business terms to resonate with executive leadership and ensure better support and understanding.

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