April 2018 – Lukas Vileikis

Your passwords are terrible, and it’s time to do something about it

April 30, 2018 Colors Comments 0 Comment

You know what surprises me the most in regards to data breaches? It’s the fact that people still continue to use passwords like “password” or “123456” to protect their accounts. Think I’m kidding? I’m really not, take a look. Using passwords like these is a big issue because it leads to really, really bad things. Identity theft One day you log into your banking account to do some shopping and next thing you see is that you’ve got no money. You’ve…

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A journey back in time: The analysis of the first version of my WAF

April 25, 2018 Colors Comments 0 Comment

As you might already know, back in 2014, I’ve developed a custom Web Application Firewall. You’ll see one adorning BreachDirectory and indeed, you can see one on this blog too. The primary reason I’ve started making it is that I wanted to have one file that I could incorporate into a website to improve its security. Back then, the firewall was pretty simple – it only blocked basic attack vectors, but hey, it did work as it was supposed to, so…

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10 ways to increase the security of your WordPress application

April 18, 2018 Colors Comments 0 Comment

When someone mentions WordPress, you will often hear people saying “don’t use it, it’s insecure”. In a sense, those people are right – there is no such thing as a “silver bullet” in security. There are a few ways developers can fend off attacks concerning WordPress though – let’s dive into them. 1. Fundamentals The very first thing you should do is use HTTPS instead of HTTP. Now I get that a blog isn’t a bank and your readers could…

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How I could have pwned my highschool (SQLi, CSRF, Hardcoded Passwords & XSS) Part 2: Investigating the Breach

April 11, 2018 Colors Comments 44 comments

Honestly, this is a blog title I’ve never expected to write, but hey, data breaches happen – no website is exempt from that. I will begin with a little bit of a backstory: I’ve found flaws in a website that did belong to a high school in late 2015, but I’ve only been able to get it to their attention 2 years later. After I have been reliably informed that the flaws I found have been patched, I wrote about…

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Your website needs a CSP. Here’s why

April 5, 2018 Colors Comments 41 comments

Here’s a scenario: You create a website and make it available online. Your website ends up getting hacked (it happens frequently, by the way..) The nefarious party is able to inject some malicious javascript into one of your pages. A legitimate user visits your website and is redirected to a phishing page as a result of the work done by an attacker. The user attempts to log into the page thinking it’s your website and ends up getting all of…

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