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A client can do so by acting as if they're suffering from high latency; the outgoing packet is forged by attaching a time stamp that is prior to the actual moment the packet is sent. To avoid this method of cheating, the lockstep protocol requires each player to first announce a "commitment" (e.g. hash value of the action); this commitment is a ...
Use a function call with a different number of arguments than the call is designed for, causing a stack misalignment, and code execution after the function returns (patched in Windows 10). [ 27 ] Use a function call with the same number of arguments, but one of pointers passed is treated as an object and writes to a pointer-based offset ...
Quantum Break, a game developed by Remedy was also criticized for being always-online on the PC version, due to the fact that live episodes limited to 4K resolution had to be streamed because of storage limitations according to Microsoft, despite the fact that personal computers can be constantly upgraded with more storage as time goes by.
A non-blocking algorithm is lock-free if there is guaranteed system-wide progress, and wait-free if there is also guaranteed per-thread progress. "Non-blocking" was used as a synonym for "lock-free" in the literature until the introduction of obstruction-freedom in 2003.
[1] [2] [3] A TEE as an isolated execution environment provides security features such as isolated execution, integrity of applications executing with the TEE, and confidentiality of their assets. In general terms, the TEE offers an execution space that provides a higher level of security for trusted applications running on the device than a ...
Internet censorship circumvention is the use of various methods and tools to bypass internet censorship. There are many different techniques to bypass such censorship, each with unique challenges regarding ease of use, speed, and security risks.
Transient execution CPU vulnerabilities are vulnerabilities in which instructions, most often optimized using speculative execution, are executed temporarily by a microprocessor, without committing their results due to a misprediction or error, resulting in leaking secret data to an unauthorized party.
Meltdown exploits a race condition, inherent in the design of many modern CPUs.This occurs between memory access and privilege checking during instruction processing. . Additionally, combined with a cache side-channel attack, this vulnerability allows a process to bypass the normal privilege checks that isolate the exploit process from accessing data belonging to the operating system and other ...