Here’s an overview of some of last week’s most interesting news and articles:

DocuSign breached, stolen info used for targeted phishing campaign
Phishing emails impersonating electronic signature technology provider DocuSign are not an unusual sight, but the latest campaign has the added advantage of specifically targeting registered DocuSign users.

There’s now a WannaCry decryptor tool for most Windows versions
As the criminals behind the WannaCry ransomware are trying to make it work again, security researchers have created tools for decrypting files encrypted by it.

Who’s responsible for fixing SS7 security issues?
It’s easy for outsiders to simply say: “If SS7 is flawed, why don’t providers switch to using another technology?”