Passback is a method for bypassing access control systems. Passback is a method for bypassing access control systems. For example: One person uses a key or keycard to enter a building, then passes the device back to another person who also uses it to gain entry. Anti-passback refers to features in access control systems designed to prevent this tactic. Related content news Apple patches info-stealing, zero day bugs in iPads and Macs The vulnerabilities that can allow the leaking of sensitive information and enable arbitrary code execution have had exploitations in the wild. By Shweta Sharma Dec 01, 2023 3 mins Zero-day vulnerability feature The CSO guide to top security conferences Tracking postponements, cancellations, and conferences gone virtual — CSO Online’s calendar of upcoming security conferences makes it easy to find the events that matter the most to you. By CSO Staff Dec 01, 2023 6 mins Technology Industry IT Skills Events news Conti-linked ransomware takes in $107 million in ransoms: Report A ransomware campaign linked to the ostensibly defunct Conti malware group has targeted mostly US businesses, in a costly series of attacks. By Jon Gold Nov 30, 2023 4 mins Ransomware news Okta confirms recent hack affected all customers within the affected system Contrary to its earlier analysis, Okta has confirmed that all of its customer support system users are affected by the recent security incident. By Shweta Sharma Nov 30, 2023 3 mins Data Breach 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