Cybersecurity Category
Rietta's cybersecurity posts cover phishing defense, secure passwords and passphrases, and practical web application security and performance guidance.
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01/23/2014
Anti-virus for Mac for PCI Compliance
by Frank Rietta
PCI-DSS Requirement 5 says that anti-virus must be installed and used on all computers, including Mac OS X. Here is why and some good options to choose.
01/06/2014
Joppar's 'Tips on Securing Your Mobile App' Infographic Quoted Me!
by Frank Rietta
Read More: Joppar's 'Tips on Securing Your Mobile App' Infographic Quoted Me!
06/08/2012
Really Bad Passwords (with Unsalted Hashes)
by Frank Rietta
The June 2012 LinkedIn password breach is a reminder to protect users' passwords. A table of really bad passwords with their unsalted SHA1 and MD5 hashes.
04/05/2012
What is Protected Personally Identifiable Information? Do I really have to hash users' passwords?
by Frank Rietta
01/27/2012
Generate OpenSSL RSA Key Pair from the Command Line
by Frank Rietta
How to generate a 2048-bit RSA key pair with OpenSSL from the command line. Updated for 2026 to match current OpenSSL output and ciphers.
Read More: Generate OpenSSL RSA Key Pair from the Command Line
01/09/2012
OpenSSL: Encrypt a File with a Password from the Command Line
by Frank Rietta
Read More: OpenSSL: Encrypt a File with a Password from the Command Line
09/22/2009
Web Application Security & Performance
by Frank Rietta
2009 guide for business owners on the top five web application mistakes, security and performance assessments, PII liability, and choosing a hosting provider.