http://galaxy4ogmifzf2wwdkbedqeps7pzxa53bkluyszq6sqng4u5g5nixid.onion/blog/view/437/full-opsec-guide-for-the-new-guys-full-opsec-guide
Common Opsec Fails: Contamination - mixing real and fake identities; for example using the real name as a username, using real email addresses, domains registered in the real name, use of home IP address for criminal operations - Reuse of credentials - the higher the reuse the higher the risk of being discovered - Weak passwords - Forgetting basic OPSEC - connecting to the victim or C2 system with the real IP address by mistake - Testing malware on their own computer, infecting it and...