Team CSIRT.CZ changed GPG key for abuse contact. Former GPG key with ID 0x46A050CA was revoked and new key with fingerprint 7071 8BB4 0939 AB7D 4E39 4EFD 63A1 D634 6622 A373 was uploaded on key server http://pgp.mit.edu/. Our new key is based RSA algoritm and its keysize is 4096 bits.