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Introduction to Security

Introduction to Security. Computer and Network security questions. How is information safeguarded? What are the vulnerabilities to these systems? What steps are taken to ensure that these systems and data are safe?. Some Challenges. Security is not as simple as it appears

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Introduction to Security

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  1. Introduction to Security

  2. Computer and Network security questions • How is information safeguarded? • What are the vulnerabilities to these systems? • What steps are taken to ensure that these systems and data are safe?

  3. Some Challenges • Security is not as simple as it appears • Under planning consider potential attacks • Consider where to use the designed security • Security require monitoring and maintenance

  4. Type of Threats • Malware • Security breaches • Denial of services (DoS) attacks • Web Attacks • Session hijacking • DNS poisoning

  5. Malware • Viruses • ”a small program that replicates and hides itself inside other programs” • Trojan horses carrying e.g. viruses • Spyware • Through e.g. cookies • Ransomware (digital blackmail) • Lock your computer – and demand money to open it again like Ukash

  6. Prevention of threats and attack • Long list of techniques and tools • White hat • To find flaws to close these • Black hat • To find flaws to use these for an attack • Like ‘two-edged sword’ – It depends on which side you are on.

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