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Virus hoax. A computer virus hoax is a message warning the recipients of a non-existent computer virus threat. The message is usually a chain e-mail that tells the recipients to forward it to everyone they know, but it can also be in the form of a pop-up window. [ 1 ][ 2 ]
Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles. A computer virus[1] is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. [2][3] If this replication succeeds, the affected ...
March 26: The Melissa worm was released, targeting Microsoft Word and Outlook -based systems, and creating considerable network traffic. June 6: The ExploreZip worm, which destroys Microsoft Office documents, was first detected. September: the CTX virus is isolated.
Scareware is a form of malware which uses social engineering to cause shock, anxiety, or the perception of a threat in order to manipulate users into buying unwanted software [1] (or products). Scareware is part of a class of malicious software that includes rogue security software, ransomware and other scam software that tricks users into ...
Open an email from the sender that you want to block. Click the three-dot icon at the top of the email. Click “Block Sender”. App. Tap the menu in the top left corner. Choose “Tools ...
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 can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...
Koobface is a network worm that attacks Microsoft Windows, Mac OS X, and Linux platforms. [1][2][3] This worm originally targeted users of networking websites such as Facebook, Skype, Yahoo Messenger, and email websites such as GMail, Yahoo Mail, and AOL Mail. It also targets other networking websites, such as MySpace, Twitter, [4] and it can ...
The scammer may falsely claim that normally disabled Windows services should not be disabled and that these services were disabled due to a computer virus. [19] The scammer may misuse Command Prompt tools to generate suspicious-looking output, for instance using the tree or dir /s command which displays an extensive listing of files and ...