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Comprehensive Guide to Cyber Attacks on Networks and Prevention Techniques

Explore types of cyber attacks, real-world examples, causes, and both basic and advanced prevention methods to safeguard networks and data effectively.

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TOPIC: Cyber Attacks on Networks & Prevention Techniques
NAME: GHULAM MUSTAFA (F24-6052) HUSSNAIN LODDI (F24-6127) MUZAMIL (F24-6032) DEPARTMENT: BS(CS) LAHORE LEADS UNIVERSITY
INTRODUCTION: Cyber attacks are attempts by hackers to damage or steal information from computers or networks. Today, almost everything runs on networks — banks, schools, and businesses — so keeping them safe is very important. Our topic explains how attacks happen and how we can prevent them.
What is a Network? A network connects computers and devices so they can share data. Examples: Internet, Wi-Fi, LAN (Local Area Network). Hackers target weak or unprotected networks to steal data.
Types of Cyber Attacks Phishing: Fake emails or messages to trick users. Malware: Harmful software that damages systems. Denial of Service (DoS): Overloads a network until it crashes. Man-in-the-Middle: Hacker secretly listens to communication. SQL Injection: Stealing data from databases. Ransomware: Files are locked until money is paid.
Real-World Examples WannaCry (2017): Ransomware hit hospitals and companies worldwide. Yahoo Breach (2013): Over 3 billion user accounts hacked. Facebook-Cambridge Analytica: Data from millions misused for political ads.
Why Do Cyber Attacks Happen? Weak or simple passwords. Outdated software with security holes. Lack of user awareness. Unsecured Wi-Fi networks. Missing firewalls or antivirus tools.
Basic Prevention Techniques Use strong passwords. Keep software updated. Install firewalls and antivirus. Backup data regularly. Train users to spot phishing emails.
Advanced Prevention Techniques Encryption: Protects data while sending it. Two-Factor Authentication (2FA): Adds an extra login step. VPN (Virtual Private Network): Keeps online activity private. Intrusion Detection Systems (IDS): Detects unusual activity.
Benefits of Cyber Security Keeps personal and company data safe. Builds trust with users. Saves time, money, and reputation.
Conclusion Cyber attacks are increasing every day. Prevention is better than fixing the damage. Safe habits and modern tools can protect our networks.
References www.cybersecurity.gov www.cisco.com/security www.kaspersky.com NIST Cybersecurity Framework
THANK YOU