Roger A. Grimes
Columnist
Roger A. Grimes is a contributing editor. Roger holds more than 40 computer certifications and has authored ten books on computer security. He has been fighting malware and malicious hackers since 1987, beginning with disassembling early DOS viruses. He specializes in protecting host computers from hackers and malware, and consults to companies from the Fortune 100 to small businesses. A frequent industry speaker and educator, Roger currently works for KnowBe4 as the Data-Driven Defense Evangelist and is the author of Cryptography Apocalypse.
Why giving users two separate systems won't improve security
Red/green systems, which give users one system for work and another for other tasks, no longer makes sense from a security and cost perspective. There are alternatives.
What is personally identifiable information (PII)? How to protect it under GDPR
The EU's General Data Protection Regulation requires companies to protect the privacy of their EU customers. That means keeping personally identifiable information (PII) safe. Here's what you need to know.
Beware rogue email rules and forms
Creating malicious rules and forms in a compromised email client is an old but effective hacker trick that evades traditional antimalware software. Here’s how to make sure you can detect it.
12 things every computer security pro should know
Fighting the good fight takes specialized knowledge. Here's the baseline of what all security pros should know.
Top cyber security certifications: Who they're for, what they cost, and which you need
Expand your skills, know-how and career horizons with these highly respected cybersecurity certifications.
15 signs you've been hacked -- and how to fight back
Redirected internet searches, unexpected installs, rogue mouse pointers: Here's what to do when you've been hacked.
Lack of trust will doom crytpocurrency
Loss of crypto coins through hacks, fake trading and volatility destroy trust in cryptocurrency, but those aren't its only problems.
What blockchain can and can't do for security
Blockchain expert Rosa Shores agrees: Unless you have a data integrity problem, blockchain won't fix it. Try a distributed ledger instead.
Your backup and restore process is broken--here's how to fix it
Don't wait for a ransomware attack to expose backup flaws. These eight steps will put you on the path for reliable data restores.
A new website explains data breach risk
Breach Clarity ranks the risk of stolen or exposed personal data. It's a much needed work in progress.
Preventing address spoofing with DMARC, DKIM and SPF
These email security protocols will help cut down on malicious emails from spoofed addresses. Setting them up is easier than you think.
How to stick it to LinkedIn romance scammers
LinkedIn is becoming a popular channel for criminals to find victims for romance scams. Here's how to identify, report and block those scammers.
5 ways compliance hurts security
The tasks of meeting regulatory requirements and providing true security that actually mitigates risk do not align. Here's how focusing exclusively on compliance can undermine security.
How to spot a scam: 14 red flags to watch for
Does your security awareness training program help your employees learn when someone is trying to scam them?
Does your cyber insurance cover social engineering? Read the fine print
Some cyber insurance policies will pay only a small fraction of damages if an attacker used social engineering. Here's how to estimate the risk.
What should your company’s change password policy be?
Microsoft's recent dropping of its maximum password age default renews the debate over forced password changes. Here's why you should continue to expire passwords.
Why unauthenticated SMS is a security risk
Multifactor authentication that uses SMS messaging as a second factor is vulnerable to simple hacks. User education is the best defense.
9 types of malware and how to recognize them
Think you know your malware? Here's a refresher to make sure you know what you're talking about — with basic advice for finding and removing malware when you've been hit
Check your access control permissions before hackers do
Every organization has devices, networks or cloud services with improperly configured permissions that expose sensitive data or could allow hackers to gain privileged access. Check them now.
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