September 22, 2019

AWS security tool collections

I've come across a few of them lately:
Edit 20-Oct-19: Configuring GuardDuty on multiple accounts is a PITA, so this article might help.

September 15, 2019

Being a tech lead & project management

I found the guidelines that Webflow issues to their Tech Leads useful and inspiring. Webflow is a tool for building websites, but it doesn't really matter, it could be any cool software company that issued this.

The whole article is worth a read for people in such roles (and their managers), but here are three highlights:

On crunch time:
"When people operate at their peak performance, where they engage in the flow state 2–4 hours a day, they are incapable of more work without drastic consequences. They should already be operating at peak efficiency, and asking more of them has severe diminishing returns and a detrimental impact to them personally, and to Webflow as a company."

On moving deadlines:
"Too much is at stake when we attempt to hit an unrealistic deadline, and among them are team burnout, poor product quality, reduced morale, and more.

The important idea here is not to lose sight of a delivery date. That’s all that matters. Projects will fall into limbo when a missed deadline stays (ahem) dead and the project careens toward the unknown. This is worse than moving the deadline, so move it!"

On the 80-20 principle, the last 20% of a project takes a lot of time, and is usually needed. If you want to stop at 80%, consider this: you want to buy a piano for your living room. How much would you pay for one that plays fine [80%] but its wood is still untreated [20%]?
Webflow says "Just treat the 80% point in your project as the halfway marker. That will align expectations against the added effort nuance prescribes."

July 3, 2019

Here's a very mature culture I admire

https://jobs.netflix.com/culture
Pure. gold.
This text changed my perception. It also changed my standards for a good employer, forever (I'm afraid). Takes time to read but is absolutely worth it.

One point that is especially relevant to security:
In general, freedom and rapid recovery is better than trying to prevent error. We are in a creative business, not a safety-critical business. Our big threat over time is lack of innovation, so we should be relatively error tolerant. Rapid recovery is possible if people have great judgment. The seduction is that error prevention just sounds so good, even if it is often ineffective. We are always on guard if too much error prevention hinders inventive, creative work.
If you want to see some of this in a talk, here's what Devops means for them. Watch at least until 16'. The job of a manager is explained around 13'.

June 20, 2019

May 20, 2019

DevSecOps intro

A couple of resources I found interesting lately:

And a few thoughts and quotes I stole..ehm..gathered from people that are smarter than me:
  • Teams that are doing peer reviews for all their code, are usually doing real devops (this was used to distinguish real devops against just using devopsie tools and calling it a day. DevOps is not just about tools!).
  • Every time I do an architecture review (from a security perspective), I should ask myself: how do I make sure that next time I don't need to perform this? Automate it or teach a developer to do it, because security engineers can't scale to all the dev teams of any company.
  • If we have embrace CI/CD, there is no option for a security gate/audit/review. Everything has to be automated, short-circled and repeatable!

March 31, 2019

Phishing is "improving"

This reddit thread warns us that in case we get a call claiming to be from our bank or other organization, we should not give out any of our private info, but request that we end the call and call them back on a verified official number, even if the call we received originates from it.

The reason is that the traditional calling system is vulnerable to number spoofing, so caller ID cannot be trusted. So, this is one more thing to remember, on top of SMS being easy to intercept.

Good luck explaining thisattack & defense to elderly laymen 😨.

March 20, 2019

Meta: Management and employee retention


A few articles that I like, explaining how employee motivation works.
Great for all managers, pretty interesting for the rest of us.