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  2. WannaCry ransomware attack - Wikipedia

    en.wikipedia.org/wiki/WannaCry_ransomware_attack

    Microsoft Visual C++ 6.0. The WannaCry ransomware attack was a worldwide cyberattack in May 2017 by the WannaCry ransomware cryptoworm, which targeted computers running the Microsoft Windows operating system by encrypting data and demanding ransom payments in the Bitcoin cryptocurrency. [ 4 ] It was propagated by using EternalBlue, an exploit ...

  3. Computer security - Wikipedia

    en.wikipedia.org/wiki/Computer_security

    An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that may result in unauthorized information disclosure, theft of (or damage to) hardware, software, or ...

  4. Common Vulnerabilities and Exposures - Wikipedia

    en.wikipedia.org/wiki/Common_Vulnerabilities_and...

    Common Vulnerabilities and Exposures (CVE) is a dictionary of common names (i.e., CVE Identifiers) for publicly known information security vulnerabilities. CVE's common identifiers make it easier to share data across separate network security databases and tools, and provide a baseline for evaluating the coverage of an organization's security ...

  5. Windows 7 - Wikipedia

    en.wikipedia.org/wiki/Windows_7

    Maximum PC gave Windows 7 a rating of 9 out of 10 and called Windows 7 a "massive leap forward" in usability and security, and praised the new Taskbar as "worth the price of admission alone." [177] PC World called Windows 7 a "worthy successor" to Windows XP and said that speed benchmarks showed Windows 7 to be slightly faster than Windows ...

  6. Vulnerability (computer security) - Wikipedia

    en.wikipedia.org/wiki/Vulnerability_(computer...

    Computer hacking. Vulnerabilities are flaws in a computer system that weaken the overall security of the system. Despite intentions to achieve complete correctness, virtually all hardware and software contains bugs where the system does not behave as expected. If the bug could enable an attacker to compromise the confidentiality, integrity, or ...

  7. Microsoft Defender Antivirus - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Defender_Antivirus

    Proprietary. Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows. It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7. It has evolved into a full antivirus program, replacing Microsoft Security Essentials in ...

  8. Malware - Wikipedia

    en.wikipedia.org/wiki/Malware

    t. e. Malware (a portmanteau of malicious software) [1] is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive access to information, or which unknowingly interferes with the user's computer security and ...

  9. WinNuke - Wikipedia

    en.wikipedia.org/wiki/WinNuke

    WinNuke. In computer security, WinNuke is an example of a Nuke remote denial-of-service attack (DoS) that affected the Microsoft Windows 95, Microsoft Windows NT, Microsoft Windows 3.1x computer operating systems and Windows 7. [citation needed] The exploit sent a string of out-of-band data (OOB data) to the target computer on TCP port 139 ...

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