Robert LemosPCWorld

Veteran technology journalist Robert Lemos, a former research engineer, has covered technology and cybersecurity for almost two decades, winning numerous awards including a national journalism award in 2003 for his coverage of the MSBlast worm and recognition as a SANS Top Cyber Security Journalist in 2010 and 2014.

Cryptolocker ransomware

Ransomware's latest threats: What to do about CryptoWall, Chimera and their ilk

In the past, if you had a backup of your files, you could avoid paying ransomware. Malware developers claimed to have added a new twist, threatening to publish the data of anyone who has not paid.

An Old Phone

Trust no one: How caller ID spoofing has ruined the simple phone call

Caller ID is easy to spoof and it’s leading to a host of real threats, from account recovery fraud to marketing scams to malicious pranks resulting in SWAT teams showing up at a victim's door.

W is for WordPress

The 3-step plan to make your website harder to hack

Online attackers are increasingly targeting websites to make a statement, send spam or flood someone else’s network. Protecting your online brand requires vigilance.

mcdonalds apple pay

NFC security: 3 ways to avoid being hacked

More than a billion phones will be equipped with near-field communications technology in 2015, potentially opening up new vectors for attack.

Home automation security

5 steps to keep your smart home from being hacked

Security researchers needed just 5 to 20 minutes to hack most smart-home devices. Learn how to keep real hackers at bay with these five strategies.

mobile security stock image one bad device

How to prevent mobile malware in 3 easy steps

Mobile malware tends to loiter in a few "bad neighborhoods" online that you should stay out of anyway.


Secure your home network—and every device attached to it—in 3 simple steps

If major companies can be breached, is there anything home users can do to escape the same fate? Plenty, say security experts.

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3 easy steps to save yourself from stupid passwords

We all have them, and now's the time to make them both hacker-proof and easier to manage.

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The easy Java and Flash security fix everyone hates to do

You know those nagging Java update boxes that pop up in your desktop? They're actually kind of important.

freefromransomware primary

How to prevent ransomware: What one company learned the hard way

Ransomware is on the rise. Your best protection? Something everyone knows they should do.

Internet of Things IoT stock

Internet of Things security check: How 3 smart devices can be dumb about the risks

Smartwatches, smart homes, smart connected cars: All carry software vulnerabilities that could impact your privacy or safety. But you can be smart about knowing the risks before you buy.

Reduce, Reuse, Recycle -- Just Not Your Password

In the wake of a breach, researchers typically focus on the poor password choices of users, but reuse is a much greater threat.

Internet cloud

How We Moved Almost Everything to the Cloud: 5 Lessons

Companies that move to the cloud have a whole host of decisions, one of the first being whether to develop their own software on top of a cloud infrastructure or not.

Botnets Rebuild After Rustock Takedown

Multiple security providers see more malicious activity, as botnet operators attempt to grow their networks of compromised computers.

How to Shrink The Data Center: 4 Lessons Learned

The business that manages New York City's hospitals consolidates 11 data centers into two facilities, dispensing with two-thirds of their physical servers for a predicted savings of $70 million over 5 years. Consider these four tips.