In seeking to sell cybersecurity software in Russia, Hewlett Packard Enterprise (HPE) shared the software’s source code with a Russian defense agency last year to allow it to review the product. These types of reviews are not unusual when companies seek to do business in Russia. But what make this incident stand out is that that software, called ArcSight, is a critical line of defense for the US Army, Air Force, and Navy.

The shared information could make it easier to identify a cyber attack strategy against US military cyber networks. What’s more, as Mallory Locklear reports in Engadget, “the source code was shared around the same time that the US was accusing Russia of initiating cyber attacks against a number of US agencies and politicians.”

Read the full story in Engadget.