On July 16, 2015, the Palo Alto Networks Unit 42 threat intelligence team discovered a watering hole attack on the website of a well-known aerospace firm. The website was compromised to launch an apparent watering-hole attack against the company's customers. It was hosting an Adobe Flash exploit targeting one of the newly disclosed vulnerabilities from the Hacking Team data breach, CVE-2015-5122.

This attack yet again showcases the opportunistic tendencies of adversary groups and bad actors. The...