The head of the Linux Mint project Clement Lefebvre said in a blog post that the Linux Mint website had been hacked and that the hackers were modified Linux Mint 17.3 Cinnamon ISO with a backdoor on Saturday 20th, February.To check if your ISO is compromised, just check its MD5 signature.
The valid signatures:
6e7f7e03500747c6c3bfece2c9c8394f linuxmint-17.3-cinnamon-32bit.iso
e71a2aad8b58605e906dbea444dc4983 linuxmint-17.3-cinnamon-64bit.iso
30fef1aa1134c5f3778c77c4417f7238 linuxmint-17.3-cinnamon-nocodecs-32bit.iso
3406350a87c201cdca0927b1bc7c2ccd linuxmint-17.3-cinnamon-nocodecs-64bit.iso
df38af96e99726bb0a1ef3e5cd47563d linuxmint-17.3-cinnamon-oem-64bit.iso
If you are affected just backup your, reset your passwords and reinstall the OS.
The linux mint forums database was also compromised during this attack. just reset the password.
