Cybersecurity ensures data protection on internet. Data encryption, firewall, encrypted network, VPN, secure access and authentication defend against malware, hacking, cyber crime and digital threat. "Microsoft Patch Tuesday, exploit Wednesday" used to be a joke. Now it's reality. Adversaries use LLM disassemblers to reverse-engineer patches, identify underlying flaws, develop exploits, and begin scanning the internet for targets — all within a day of publication.