# Meltdown - Website: [meltdownattack.com](https://meltdownattack.com/) ### [Primary website](https://meltdownattack.com/) *Meltdown breaks the most fundamental isolation between user applications and the operating system. This attack allows a program to access the memory, and thus also the secrets, of other programs and the operating system.* *If your computer has a vulnerable processor and runs an unpatched operating system, it is not safe to work with sensitive information without the chance of leaking the information. This applies both to personal computers as well as cloud infrastructure. Luckily, there are [software patches against Meltdown](https://meltdownattack.com/#faq-fix).* ## See also ### - [[Spectre]]