Stories by Josh Fruhlinger

What is opsec? A process for protecting critical information

Opsec, which stands for operations security, is a process by which organizations assess and protect public data about themselves that could, if properly analyzed and grouped with other data by a clever adversary, reveal a bigger picture that ought to stay hidden.

What is 5G? How is it better than 4G?

5G networks will boost wireless throughput by a factor of 10 and may replace wired broadband. But when will they be available, and why are 5G and IoT so linked together?

5 top trends in endpoint security for 2018

Endpoint security is focused on locking down endpoints — individual computers, phones, tablets and other network-enabled devices — in order to keep networks safe. Of course, as threats evolve, endpoint security suites must evolve as well.

Stuxnet explained: How code can destroy machinery and stop (or start) a war

Stuxnet is an extremely sophisticated computer worm that exploits multiple previously unknown Windows zero-day vulnerabilities to infect computers and spread. Its purpose was not just to infect PCs but to cause real-world physical effects. Specifically, it targets centrifuges used to produce the enriched uranium that powers nuclear weapons and reactors.

The 5 biggest ransomware attacks of the last 5 years

Ransomware isn't new, but the last few years have seen a remarkable uptick in this particularly nasty genre of attack software. The attacks highlighted here show how it has grown from a curiosity and an annoyance to a major crisis.