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English
Noun
APT (plural APTs)
- Initialism of automation presses tooling.
- (UK, rail transport) Initialism of advanced passenger train.
- (US) Abbreviation of apartment. (APT is preferred by the United States Postal Service; compare Apt. and apt.)
- (cybersecurity) Initialism of advanced persistent threat.
- 2025 March 6, Ryan Naraine, “How Social Engineering Sparked a Billion-Dollar Supply Chain Cryptocurrency Heist”, in SecurityWeek:
- The FBI has linked the incident to a North Korean APT it tracks as TraderTraitor, which the agency has been monitoring since 2022 for its attacks on blockchain companies.
- Initialism of arbitrage pricing theory.
- (UK, healthcare) Initialism of anatomical pathology technologist.
- (biochemistry) Initialism of acyl protein thioesterase.
Proper noun
APT
- (computing) Initialism of automatically programmed tool: a high-level language for numerically controlled machine tools.
- (computing) Initialism of advanced packaging tool: a package management system used by Debian and Debian-based distributions, also used by other Linux distributions.
- Initialism of Alabama Public Television.
- Initialism of American Public Television.