Josh Fruhlinger

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

Malware explained: How to prevent, detect and recover from it

Malware explained: 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 OPSEC? A process for protecting critical information

What is OPSEC? A process for protecting critical information

Operations security (OPSEC) 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...

Does it matter who the CISO reports to?

Does it matter who the CISO reports to?

Reporting relationships are more than lines on an org chart, they're lines of authority. Ultimately, who the CISO reports to may say more about an organization's maturity than it does about an individual's effectiveness.

The 6 biggest ransomware attacks of the last 5 years

The 6 biggest ransomware attacks of the last 5 years

The biggest ransomware attacks illustrate how this particularly nasty genre of attack software has grown from a curiosity and an annoyance to a major crisis.

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.

7 hot cybersecurity trends (and 4 going cold)

7 hot cybersecurity trends (and 4 going cold)

Is that security trend hot or not? From tools and technologies to threats, tactics, and training, the numbers don't lie.

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 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.

Ransomware explained: How it works and how to remove it

Ransomware explained: How it works and how to remove it

Ransomware is a form of malware that encrypts a victim's files. The attacker then demands a ransom from the victim to restore access to the data upon payment. 

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.

The OPM hack explained: Bad security practices meet China's Captain America

The OPM hack explained: Bad security practices meet China's Captain America

How the OPM hack happened, the technical details, and a timeline of the infiltration and response.

Top cybersecurity facts, figures and statistics for 2018

Top cybersecurity facts, figures and statistics for 2018

Looking for hard numbers to back up your sense of what's happening in the cybersecurity world? We dug into studies and surveys of the industry's landscape to get a sense of the lay of the land—both in terms of what's happening and how...

What is WannaCry ransomware, how does it infect, and who was responsible?

What is WannaCry ransomware, how does it infect, and who was responsible?

Stolen government hacking tools, unpatched Windows systems, and shadowy North Korean operatives made WannaCry a perfect ransomware storm.

What is network security? Definition, methods, jobs & salaries

What is network security? Definition, methods, jobs & salaries

Network security is the practice of preventing and protecting against unauthorized intrusion into corporate networks. As a philosophy, it complements endpoint security, which focuses on individual devices; network security instead...

What is corporate espionage? Inside the murky world of private spying

What is corporate espionage? Inside the murky world of private spying

Companies gather intelligence on their rivals just like nation-states do. Sometimes its legal, but industrial espionage can easily slip over the line into criminality.

5 top trends in endpoint security for 2018

5 top trends in endpoint security for 2018

Endpoint security is a rapidly developing category, as organizations look to coordinate control of the PCs, servers and phones on their networks to keep out malware and intruders. Let's look at what the year ahead has in store.

5 top trends in endpoint security for 2018

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...

What is a CSO? Understanding the critical chief security officer role

What is a CSO? Understanding the critical chief security officer role

The CSO is the executive responsible for the organization's entire security posture, both physical and cyber, and has the big picture view of the company's operational risk.

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