Josh Fruhlinger

Josh Fruhlinger is a writer and editor who lives in Los Angeles.

The 6 biggest ransomware attacks of the last 5 years

What is a honeypot? A trap for catching hackers in the act

What is a honeypot? A trap for catching hackers in the act

A honeypot is a system designed to lure hackers into revealing their origins and techniques, and they're used by security researchers and corporate IT alike.

What is Linux? Everything you need to know about the open-source operating system

What is Linux? Everything you need to know about the open-source operating system

Linux has long been the basis of commercial networking devices, but now it's a mainstay of enterprise infrastructure.

What is a digital twin? [And how it’s changing IoT, AI and more]

What is a digital twin? [And how it’s changing IoT, AI and more]

Digital twins are virtual replicas of physical devices that data scientists and IT pros can use to run simulations before actual devices are built and deployed. They are also changing how technologies such as IoT, AI and analytics are...

What is digital forensics? And how to land a job in this hot field

What is digital forensics? And how to land a job in this hot field

Digital forensics is the application of scientific investigatory techniques to digital crimes and attacks. Think beyond the awful (and justly cancelled) TV show CSI Cyber; digital forensics is a crucial aspect of law and business in...

What is malware? How to prevent, detect and recover from it

What is malware? How to prevent, detect and recover from it

Malware is a blanket term for viruses, worms, trojans, and other harmful computer programs hackers use to wreak destruction and gain access to sensitive information. Learn what malware does and how you can remove it—or prevent it.

What is a CISO? Responsibilities and requirements for this vital leadership role

What is a CISO? Responsibilities and requirements for this vital leadership role

The chief information security officer (CISO) is the executive responsible for an organization's information and data security. Learn what it takes to land a CISO job and how to be successful in the role.

What is ransomware? How these attacks work and how to recover from them

What is ransomware? How these attacks work and how to recover from them

Ransomware is a form of malicious software (or malware) that, once it's taken over your computer, threatens you with harm, usually by denying you access to your data. The attacker demands a ransom from the victim, promising — not...

10 toxic traits of bad bosses

10 toxic traits of bad bosses

If you recognize your boss (or even yourself) among these examples — well, at least you're not alone.

What is SSL, TLS? And how this encryption protocol works

What is SSL, TLS? And how this encryption protocol works

The SSL/TLS protocol encrypts internet traffic of all types, making secure internet communication (and therefore internet commerce) possible. Here are the basics of how it works and what comes next.

What is a cyber attack? Recent examples show disturbing trends

What is a cyber attack? Recent examples show disturbing trends

A cyber attack is an attack launched from one or more computers against another computer, multiple computers or networks. Here are some of the major recent cyber attacks and what we can learn from them.

10 things you should know about dark web websites

10 things you should know about dark web websites

Catch a glimpse of what flourishes in the shadows of the internet.

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