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An advanced persistent threat (APT) is a stealthy threat actor, typically a state or state-sponsored group, which gains unauthorized access to a computer network and remains undetected for an extended period. [1] [2] In recent times, the term may also refer to non-state-sponsored groups conducting large-scale targeted intrusions for specific ...
Cozy Bear is a Russian advanced persistent threat hacker group believed to be associated with Russian foreign intelligence by United States intelligence agencies and those of allied countries.
Constant sum: A game is a constant sum game if the sum of the payoffs to every player are the same for every single set of strategies. In these games, one player gains if and only if another player loses. A constant sum game can be converted into a zero sum game by subtracting a fixed value from all payoffs, leaving their relative order unchanged.
Separately, game theory has played a role in online algorithms; in particular, the k-server problem, which has in the past been referred to as games with moving costs and request-answer games. [125] Yao's principle is a game-theoretic technique for proving lower bounds on the computational complexity of randomized algorithms , especially online ...
OurMine, a hacker group of unknown origin that has compromised various websites and Twitter accounts as a way of advertising their "professional services". P.H.I.R.M., an early hacking group that was founded in the early 1980s. Phone Losers of America, an internet prank call community founded in 1994 as a phone phreaking and hacking group.
Microsoft and OpenAI released a report on Wednesday saying that hacking groups from China, Iran, North Korea, and Russia are increasingly probing the use of AI large language models (LLMs) to ...
The report listed similarities in the malware's propagation techniques to the "BadRabbit" and "Nyetya" malware strains and stated disruption of the games as the attack's objective. [ 18 ] Attribution of the Olympic Destroyer malware proved difficult as it appeared the author(s) had included code samples belonging to multiple threat actors as ...
For 2-player games the set of imputations coincides with the core, a popularly studied concept due to its stability against group deviations. [2] The core is a solution concept of cooperative games and consists of multiple imputations, a set of distributions as a result of a game.