Singapore Government Hackers Love to Hack Teo En Ming's Computers, Smartphones, and Internet Online Accounts

[silver.bullet at zoho.com]

Note, there are two things you need to trust.

1. Do you trust an ISO signed by Donald Duck?

Assumed you do, you need the public key of Donald Duck.

2. You need to trust that the key is really owned by Donald Duck.

You can trust the key of Donald Duck if you got the key from him,
instead of downloading it from a key server, or because you got a key
from Daisy Duck and you trust Daisy Duck, while her key confirms that
the key you own from Donald Duck, is really the key from Donald Duck and
not just a faked key owned by Gladstone Gander.