ForeScout said one of them warranted rating at the maximum severity level, although DrayTek has issued patches.

A group that appears to support the Houthis in Yemen is targeting organizations working in the region with malicious Android-based apps.

The group allegedly has targeted the defense, local government, oil and natural gas and telecommunications sectors in places including North America.

"We could not find any evidence that these tools were used previously, or attribute them to a specific threat actor," Check Point researchers said.

One disruption at a bank, a long legal battle and the case of a missing $9 million.

It’s an example of how, alongside the violence that has long marked the Israel-Palestine conflict, there are often much subtler efforts by digital spies to access networks.

The emails politely ask users in fluent English to enable Microsoft Excel features that allow the code to execute.

MuddyWater is targeting government agencies, academia and the tourism industry.

While other hacking teams associated with Tehran have gained notoriety for data-wiping attacks, MuddyWater as been relentless in its spying efforts.

Meet "Bahamut," a group that has included malicious apps in the Play Store and iOS marketplace.