A common web application vulnerability, poor detection capabilities and a lack of adequate encryption led to the recent hack of MilitarySingles.com, according to research performed by security firm Imperva.

In March, the popular military dating site sustained a security breach carried out by hackers calling themselves "LulzSec Reborn," resulting in the dumping of personal information belonging to 170,000 members. The data included names, usernames, passwords, and IP addresses.