An AWS Elasticsearch Post-Mortem
So it happened that we had a production issue on the SaaS version of LogSentinel – our Elasticsearch stopped indexing new data. There was no data loss, as elasticsearch isContinue reading
Where Is This Coming From?
In enterprise software the top one question you have to answer as a developer almost every day is “Where is this coming from?”. When trying to fix bugs, when developingContinue reading
One-Month of Microsoft DKIM Failure and Thoughts on Technical Excellence
Last month I published an article about getting email settings right. I had recently configured DKIM on our company domain and was happy to share the experience. However, the nextContinue reading
One-Time Passwords Do Not Provide Non-Repudiation
The title is obvious and it could’ve been a tweet rather than a blogpost. But let me expand. OTP, or one-time password, used to be mainstream with online banking. YouContinue reading
Solving Problems Properly Is Often Not Viable
How many times you, as a software expert, saw some software or process and thought “damn, this can be done so much better”. Yes, a lot. But why, since largeContinue reading
A Technical Guide to CCPA
CCPA, or the California Consumer Privacy Act, is the upcoming “small GDPR” that is applied for all companies that have users from California (i.e. it has extraterritorial application). It isContinue reading
Blockchain Overview – Types, Use-Cases, Security and Usability [slides]
This week I have a talk on a meetup about blockchain beyond the hype – its actual implementation issues and proper use-cases. The slides can be found here: The mainContinue reading
The Personal Data Store Pattern
With the recent trend towards data protection and privacy, as well as the requirements of data protection regulations like GDPR and CCPA, some organizations are trying to reorganize their personalContinue reading
Cybersecurity Is Very Important
A few months ago an essay titled “Cybersecurity is not very important” appeared. The essay is well written and interesting but I’d like to argue against its main point. AndContinue reading
Protecting JavaScript Files From Formjacking
Most web pages now consist of multiple JavaScript files that are included in various ways (via <script> or in some more dynamic fashion, bundled and minified or not). But sinceContinue reading