Information security (InfoSec) is the practice of protecting information by mitigating information risks. It is a broad field that encompasses the strategies, tools, and policies used to defend digital and physical data from unauthorized access, use, disclosure, disruption, modification, or destruction. At its core, information security is about managing risk to ensure business continuity and protect personal privacy. 🛡️ The Core Pillar: The CIA Triad
The foundation of any information security program is the . These three principles serve as the industry standard for evaluating security posture.
Security professionals must defend against a constantly evolving landscape of threats. Understanding these is the first step toward prevention.
: Risks posed by employees or contractors who have legitimate access but use it maliciously or carelessly.
: Monitoring and filtering incoming/outgoing network traffic.
: Attacks that target software vulnerabilities before the developer has had a chance to patch them.
Examples : Hardware maintenance, DDoS protection, and regular backups. ⚠️ Common Threats and Vulnerabilities