Computer Security(Hacking & Cracking) .pptx
- 1. Memona Hayder F24-BSCS-1070 Sir Inam Ul Haq Department of Computer Science Faculty of Computer Science COMPUTER SECURITY(HACKING & CRACKING)
- 2. Computer Security(Hacking & Cracking) Computer security means keeping computers safe and networks from people who should not access or harm them . It protects data systems from being stolen , damaged or changed. Types of computer security 1. Network Security Keeps your internet and wi-fi safe from hackers. 2. Application Security Keeps software and apps free from bugs and threats. 3.Information Security Protects your personal and private data.
- 3. Continue 4. Operational Security Controls who can see or use your systems. 5. Disaster Recovery Helps restore data after problems like crashes or cyber attack.
- 4. Why is computer security Important? Protecting sensitive information Preventing from cyber attacks It ensures business continuity
- 5. Hacking Hacking is the gaining of access to a computer and viewing ,copying or creating data without the intention of destroying data or maliciously harming the computer. Types of Hackers White Hat-Good hackers(ethical) Black Hat-Bad hackers(illegal) Grey Hat-in between(may help but without permission)
- 6. Role Of Ethical Hackers Test for system weakness Help fix security Protect companies and users
- 7. Common Hacking Methods Malware(viruses , spyware) Phishing(fake emails) Password cracking Exploiting software bug
- 8. Cracking Cracking is the process of gaining unauthorized access with the intension of causing damage. Crackers are also referred as “Black Hat” hackers. Cracking Tools John the Ripper : Password cracking. Keygens : Fake serial number generators. Reverse Engineering : Disassembling software to bypass protection. Software cracking : Common in privacy , violates licensing laws.
- 9. Objectives of Hacking Gaining access to the system by authorized or unauthorized means. Hackers won’t cause damage to the system. They just copy or access data Objectives of Cracking Gaining access to the system by unauthorized means. Breaks the security system. Steal data by damaging the system. Crackers breaks the system by malicious way introducing a virus into a system.
- 10. How To Be Safe? Firewalls Protecting networks from unauthorized access. Antivirus software Detects and removes viruses , spyware, and malware. Encrypt Your data Convert files into secrete code.
- 11. Continue Strong Passwords Use a mix of letters , numbers and symbols. Changes passwords regularly. Data Backups Ensuring that data can be recovered in case of any loss. Phishing Protection Don’t click on links Fake emails can steal your info or install malware.
- 12. Continue Limit people Only allow trusted people to access your computer or network. Use Secure Wi-Fi Set strong Wi-Fi passwords. Avoid using public Wi-Fi for sensitive tasks.
- 13. Conclusion Hacking and cracking can be done for good and bad. Ethical use of hacking skills is critical for cybersecurity. Always stay informed , secure and legal.