Zero trust (ZT) offers a modern, adaptive approach to cybersecurity by eliminating implicit trust and continuously validating access based on identity, context, and risk. ZT principles assume a breach has already occurred and are designed to limit threat actor movement and potential damage.
For operational technology (OT), applying ZT requires careful consideration because OT systems interact with the physical environment and are constrained by availability and safety requirements, as well as legacy technology with long lifespans. The blanket application of traditional information technology (IT)-focused ZT capabilities to OT is neither reasonable nor feasible and requires continuous collaboration between OT engineers, IT architects, and cybersecurity professionals. This collaboration should include clear communication channels, joint development of policies and controls, and a shared understanding of both mission objectives and technical limitations.
Read more…
Source: U.S. Federal Bureau of Investigation Cyber Division
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Leveraging data science to minimize the blast radius of ransomware attacks
March 2, 2023
As ransomware groups continue to build on their arsenal of tactics, techniques, and procedures (TTPs), it’s essential for cybersecurity professionals to assess the levels of risk to their organizations using multiple sources of information for a comprehensive outlook on this ever-evolving threat. Common Vulnerabilities and Exposures (CVE) data, for example, can guide defenders in determining ...
- CISA Releases Decider Tool to Help with MITRE ATT&CK Mapping
March 1, 2023
Today, CISA released Decider, a free tool to help the cybersecurity community map threat actor behavior to the MITRE ATT&CK framework. Created in partnership with the Homeland Security Systems Engineering and Development Institute™ (HSSEDI) and MITRE, Decider helps make mapping quick and accurate through guided questions, a powerful search and filter function, and a cart ...
- CISA Red Team shares key findings to improve monitoring and hardening of networks
February 28, 2023
Today, CISA released a Cybersecurity Advisory, CISA Red Team Shares Key Findings to Improve Monitoring and Hardening of Networks. This advisory describes a red team assessment of a large critical infrastructure organization with a mature cyber posture. CISA is releasing this Cybersecurity Advisory (CSA) detailing the red team’s tactics, techniques, and procedures (TTPs) and key ...
- China makes it even harder for data to leave its shores
February 27, 2023
Starting in June, companies operating in China must undergo a regulatory intervention when sending data abroad, thanks to the Cyberspace Administration of China (CAC). The CAC announced on Friday businesses that handle the personal information of up to 1 million people, or want to send user information of up to 100,000 individuals abroad, will need to ...
- European Commission bans TikTok from employees’ phones
February 23, 2023
The Commission said in a statement that all its employees will have to comply by March 15. This measure aims “to protect the Commission against cybersecurity threats and actions which may be exploited for cyber-attacks against the corporate environment of the Commission,” the statement said. “The security developments of other social media platforms will also be kept ...
- CISA Adds Three Known Exploited Vulnerabilities to Catalog
February 21, 2023
ISA has added three new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2022-47986 IBM Aspera Faspex Code Execution Vulnerability CVE-2022-41223 Mitel MiVoice Connect Code Injection Vulnerability CVE-2022-40765 Mitel MiVoice Connect Command Injection Vulnerability Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related story: CISA Releases Two Industrial Control Systems Advisories