- Settore: Software
- Number of terms: 9143
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A spam filter is a program used to detect unsolicited email to prevent spam from making it to a user's inbox. Filters use heuristics, keyword scans, whitelists and blacklists, and other processes. The filters are placed on email and ISP servers, in anti-spam software, and in anti-phishing browsers. Also see: Bayesian filter, heuristic analysis.
Industry:Software
Spam is unsolicited or undesired bulk electronic messages. There is email spam, instant messaging spam, Usenet newsgroup spam, web search-engine spam, spam in blogs, and mobile phone-messaging spam. Spam includes legitimate advertisements, misleading advertisements, and phishing messages designed to trick recipients into giving up personal and financial information.
Industry:Software
A sniffer is a software program that monitors network traffic. Hackers use sniffers to capture data transmitted over a network.
Industry:Software
Slow infectors are active in memory and only infect new or modified files. Also see: fast infector.
Industry:Software
It is the Internet email delivery format for transmitting email messages between servers.
Industry:Software
A signature is a search pattern—often a simple string of characters or bytes—expected to be found in every instance of a particular virus. Usually, different viruses have different signatures. Anti-virus scanners use signatures to locate specific viruses.
Industry:Software
Shareware is software distributed for evaluation without cost, but that requires payment to the author for full rights. If, after trying the software, you do not intend to use it, you simply delete it. Using unregistered shareware beyond the evaluation period is pirating.
Industry:Software
A self-garbling virus attempts to hide from anti-virus software by garbling its own code. When these viruses spread, they change the way they are encoded so anti-virus software cannot find them. A small portion of the virus code decodes the garbled code when activated. Also see: self-encrypting virus, polymorphic virus.
Industry:Software
Self-encrypting viruses attempt to conceal themselves from anti-virus programs. Most anti-virus programs attempt to find viruses by looking for certain patterns of code (known as virus signatures) that are unique to each virus. Self-encrypting viruses encrypt these text strings differently with each infection to avoid detection. Also see: self-garbling virus, encrypted virus.
Industry:Software
