How do you find a needle in a haystack?

Suppose you have a big data set consisting of various types of data including phone numbers, email addresses, user identifiers, addresses, etc. Within this dataset you need to pick out specific strings. Normally this would be easy:

grep -air -e mystring -e anotherstring and …

Many moons ago, I told you that blockchain was a passing fad, and that the only meaningful use of blockchain technology was cryptocurrency (a la Bitcoin). Over 4 years later, my prediction turned out to be true. But this is not an "I told you so post." Rather, it's a warning.

Cyptocurrencies have exploded in …

Whether you prefer to read or watch a video, here are some AWS certification training resources I've put together for you.

Study Guides

The following study guides include hundreds of assessment questions and answers as well as online access to graded practice exams.

The AWS Certified Solutions Architect Study Guide: …

About three years ago, the following phrase popped into my head:

"Social media is making you have stupid opinions."

Now that's obviously not directed at you, and when I had the thought it wasn't about anyone in particular. It was more of a general observation that social media is antithetical to critical …

While playing around with AWS CloudWatch Log Insights to analyze VPC flow logs, I thought of a couple of fun ways to identify (probably) malicious traffic.

Finding Vulnerability Scanners

These are the guys that hammer your box looking for anything from silly SQL injection attacks (so 2005) to CSRF vulnerabilities. The …