In order to deal with scalability issues, the Department of Defense isstarting the process of making changes to its public-key infrastructure(PKI), which uses digital certificates for e-mail and web security. Networkworldreports that a huge certificate revocation list is the crux of theproblem the DoD faces because the entire list is supposed to bedownloaded daily to every PKI user’s desktop at the department fromservers. The time-delay and bandwidth consumption is a major source offrustration to military planners and is also poorly adapted to theneeds of mobile units and ships. The Defense Department is seeking toeliminate CRL downloads by deploying a new set of PKI appliances calledOnline Certificate Status Protocol (OCSP ) responders, which store CRLsand automatically provide short answers to desktop users about whethera certificate is good or bad. Read more. Related content feature Top cybersecurity M&A deals for 2023 Fears of recession, rising interest rates, mass tech layoffs, and conservative spending trends are likely to make dealmakers cautious, but an ever-increasing need to defend against bigger and faster attacks will likely keep M&A activity steady in By CSO Staff Sep 22, 2023 24 mins Mergers and Acquisitions Mergers and Acquisitions Mergers and Acquisitions brandpost Unmasking ransomware threat clusters: Why it matters to defenders Similar patterns of behavior among ransomware treat groups can help security teams better understand and prepare for attacks By Joan Goodchild Sep 21, 2023 3 mins Cybercrime news analysis China’s offensive cyber operations support “soft power” agenda in Africa Researchers track Chinese cyber espionage intrusions targeting African industrial sectors. By Michael Hill Sep 21, 2023 5 mins Advanced Persistent Threats Cyberattacks Critical Infrastructure brandpost Proactive OT security requires visibility + prevention You cannot protect your operation by simply watching and waiting. It is essential to have a defense-in-depth approach. By Austen Byers Sep 21, 2023 4 mins Security Podcasts Videos Resources Events SUBSCRIBE TO OUR NEWSLETTER From our editors straight to your inbox Get started by entering your email address below. Please enter a valid email address Subscribe