(1) A program that accepts a certain type of data as input, transforms it in some manner, and then outputs the transformed data. For example, a program that sorts names is a filter because it accepts the names in unsorted order, sorts them, and then outputs the sorted names.
Utilities that allow you to import or export data are also sometimes called filters.
(2)A pattern through which data is passed. Only data that matches the pattern is allowed to pass through the filter.
(3) In paint programs and image editors, a filter is an effect that can be applied to a bit map. Some filters mimic conventional photographic filters, but many transform images in unusual ways. A pointillism filter, for example, can make a digitized photograph look like a pointillistic painting.
- financial malware
A term loosely used to describe the growing trend of malicious software (malware) that has been designed to scan a computer system or entire network for information related to financial transactions. Information gleaned by the financial is then transmitted back to a third-party controlling the malicious program.
- financial software
Financial software is typically described as any type of computer software designed to help individuals or corporations manage finances and business ledger and other accounting needs. Financial software can track financial accounts, categorize income and expenses, synchronize transactions with banks and credit card companies, pay bills online, work with budgets, track and analyze investments, create […]
(fīr´wâk-ing) (n.) Developed by Mike Schiffman and David Goldsmith, a technique for testing the vulnerability of a firewall and mapping the routers of a network that sits behind a firewall. Firewalking is a method of disguising port scans. In practical applications, firewalking is similar to tracerouting and works by sending into the firewall TCP or […]
- Firewall (Firewall Techniques)
A firewall is a system designed to prevent unauthorized access to or from a private network. Firewalls can be implemented in both hardware and software, or a combination of both. How are Firewalls Used? Firewalls are frequently used to prevent unauthorized Internet users from accessing private networks connected to the Internet, especially intranets. All messages […]
Software (programs or data) that has been written onto read-only memory (ROM). Firmware is a combination of software and hardware. ROMs, PROMs and EPROMs that have data or programs recorded on them are firmware.