Cyber Security One Shot for IBPS SO IT 2026, CIL Systems | Lecture 1

Welcome to Lecture 1 of the Cyber Security series for IBPS SO IT Officer 2026. 🚀 This is a complete One Shot Revision of the most important Cyber Security topics from Professional Knowledge, designed specifically for exam preparation. In this lecture, we cover: 🔐 CIA Triad — Confidentiality, Integrity & Availability 🔑 Symmetric vs Asymmetric Cryptography 🧠 Hashing, Salting & Encoding ✍️ MAC vs Digital Signature 📜 Digital Certificates, PKI & X.509 🦠 Virus, Worm, Trojan & Ransomware 🎯 Phishing, SQL Injection, XSS, CSRF, MITM, DoS/DDoS 🔥 Firewalls & their limitations 🛡️ IDS vs IPS 🔐 Authentication, Authorization & MFA 📚 Important IBPS SO IT PYQs with explanations CIA Triad (Confidentiality, Integrity, Availability): (1:01) Authentication vs. Authorization: (2:32) Non-Repudiation & Digital Signatures: (3:20) Symmetric vs. Asymmetric Cryptography: (3:58) Hashing, Salting, & Encoding: (7:52) MAC vs. Digital Signature: (11:36) Digital Certificates & PKI: (12:51) Malware types (Virus, Worm, Trojan, Ransomware): (14:59) Common Cyber Attacks (Phishing, SQL Injection, XSS, etc.): (17:28) Firewalls, IDS, & IPS: (19:39) MFA (Multi-Factor Authentication): (21:03) PYQ (Previous Year Questions) Discussion: (21:59) The focus is simple: high-yield concepts + exact exam facts + common traps so that you can revise faster and avoid silly mistakes. If you're preparing for IBPS SO IT Officer 2026, make sure you watch till the end and attempt the PYQs yourself. 🎯 Exam-Focused | High-Yield | Easy to Remember 👍 Like the video 📤 Share it with one friend preparing for IBPS SO IT 🔔 Subscribe to The Victory Key for the complete IBPS SO IT 2026 series.