J.M. Porup

Senior Writer

J.M. Porup has been a security geek since 2002, when he got his first job in IT. Since then he's covered national security and information security for a variety of publications, and now calls CSOonline home. He previously reported from Colombia for four years, where he wrote travel guidebooks to Latin America, and speaks Spanish fluently with a hilarious gringo-Colombian accent.

What is cross-site scripting (XSS)? Low-hanging fruit for both attackers and defenders

Voting machine vendor firewall config, passwords posted on public support forum

Voting machine vendor firewall config, passwords posted on public support forum

"This is gold" for a nation-state attacker that wanted to hack an election.

Want to hack a voting machine? Hack the voting machine vendor first

Want to hack a voting machine? Hack the voting machine vendor first

How password reuse and third-party breaches leave voting machine vendors vulnerable to attack.

1.4B stolen passwords are free for the taking: What we know now

1.4B stolen passwords are free for the taking: What we know now

The 2012 LinkedIn breach, along with other old third-party breaches, is still paying dividends for criminals, who now have free access to 1.4 billion previously exposed email addresses and passwords.

8 security tools and tips for journalists

8 security tools and tips for journalists

Journalists have a giant red target on their backs. How can we defend ourselves?

Insecure by design: What you need to know about defending critical infrastructure

Insecure by design: What you need to know about defending critical infrastructure

Patching is useless most of the time, industrial control systems (ICS) security expert tells Senate committee.

New Cyber Security Style Guide helps bridge the communication gap

New Cyber Security Style Guide helps bridge the communication gap

Poor communication is a security flaw. Time to patch.

Another massive DDoS internet blackout could be coming your way

Another massive DDoS internet blackout could be coming your way

A massive internet blackout similar to the Dyn DNS outage in 2016 could easily happen again, despite relatively low-cost countermeasures, according to a new study out of Harvard University.

What is SQL injection? This oldie but goodie can make your web applications hurt

What is SQL injection? This oldie but goodie can make your web applications hurt

SQL injection attacks are well-understood and easily preventable, and the priority for risk mitigation should be preventing SQL injection attacks in the first place. Listen to Little Bobby Tables and sanitize your database inputs.

Security lessons from the 2018 Pyeongchang Winter Olympics

Security lessons from the 2018 Pyeongchang Winter Olympics

Shiny buttons that go "ping!" considered harmful.

What does the GDPR and the

What does the GDPR and the "right to explanation" mean for AI?

Security teams increasingly rely on machine learning and artificial intelligence to protect assets. Will a requirement to explain how they make decisions make them less effective?

The Qubes high-security operating system gains traction in the enterprise

The Qubes high-security operating system gains traction in the enterprise

Qubes OS defends at-risk enterprise users from targeted attacks, as well as drive-by malware and the Meltdown exploit.

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