Throwing a computer in the trash, or donating it untouched, can expose customer data, credentials, and business records. Step 1: Inventory Record every device being retired, with its serial number and owner. This supports audit trails and compliance. Step 2: Back up what you need Confirm that required data is safely stored elsewhere before anything…

Physical security and IT security are linked. Access control systems manage who enters your building and when. How systems work Users present a credential (card, fob, mobile phone, or PIN) at a reader. A controller verifies permissions and unlocks the door, logging every event. Credential types – Proximity cards and fobs: common, but older formats…