Every year, Lifehacker celebrates the dark side of life hacking with Evil Week. As this year's edition winds down, it's time to revisit some classics from the past.

Slacking on password security can have horrific consequences. Even so, it's easy to lose track of how many are vulnerable. With just a couple of files, you can steal passwords from nearly everywhere they're stored on a victim's Windows PC, including your own, just to see how secure they really are.

We've all done evil things. Some things we might not be proud of, others we indulge quietly. As we close out Evil Week, we want to know: what's the most evil thing you've gotten away with?

How attracted we are to others is based on a lot of different factors, but a recent study suggests there may be an evolutionary connection to why taking risks is an attractive behaviour. It just has to be the right kind of risk.

Earlier in the week, we looked at ten social media faux pas that were guaranteed to annoy your followers -- from "sexy" selfies to endless fitness updates. Sadly, we barely scraped the bottom of the barrel. Against our better judgement, we've decided to share ten more ways to be a horrible person on Facebook, Instsgram and Twitter. If you indulge in any of these practices, you've clearly taken "Evil Week" too far.

When we hear the words "domestic violence", we typically think of angry men with raised fists and women with bruised faces. The reality is that domestic violence manifests itself more often than not as verbal and psychological abuse, which means you could be abusing your partner or the victim of abuse without realising it. Here are some of the more subtle warning signs you should be aware of.

Kali Linux is a security-focused operating system you can run off a CD or USB drive, anywhere. With its security toolkit you can crack Wi-Fi passwords, create fake networks, and test other vulnerabilities. Here's how to use it to give your own a network a security checkup.

After going through the hassles of interviewing, not getting an offer sucks. Your first assumption is you weren't qualified, but that's not always true. You also could have failed any number of hidden tests, some of them very evil.

As movie studios are want to remind us, internet piracy is a crime. If you're going to commit this (vaguely) unlawful act, don't compound the infraction by stealing a really crap movie. Here are ten films that absolutely nobody should seek to obtain -- legally or otherwise.

We've talked about the legality of piracy, yet you're probably breaking the law everyday anyway. However, piracy can sometimes have its benefits. Even to the companies who own the copyrights.

Your home network is your fortress. Inside it lies tons of valuable information -- unencrypted files, personal, private data, and perhaps most importantly, computers that can be hijacked and used for any purpose. Let's talk about how you can, with the power of evil, sniff around your home network to make sure you don't have any uninvited guests.

CIA agents need to be prepared for everything, and sometimes that means surviving on limited resources. Their survival kit is tiny, but it includes everything needed to get out of town and live for a while.

Android: File this under the "manipulative apps for parents" category. Ignore No More was developed to prevent kids (or even your significant other) from ignoring your repeated calls or text messages. Until they call you back, their phones are locked.

Everyone has a dark side, but that's not a bad thing -- you just need to know how to use it for good. Think of it this way: Batman has more anger issues than any therapist can cure, but he channels those to make the world a better place. There's no reason you can't do that too... you know, minus the billions of dollars and the cave.

Almost every Australian capital city now uses travel smart cards as its main ticketing method. Looking to save money while using one of these cards? Check out these tips.

A lot of restaurants will give you something for free on your birthday, and with the right approach so will a lot of bars. The thing is, your birthday only comes around once a year, so this video shares some social engineering manoeuvres to ensure you have a very happy un-birthday.

Not everyone is great at giving advice. Sometimes, you'll ask a friend for help and they will give you the most hare-brained response imaginable. So we want to hear it, what's the worst advice you've ever received?

It's a common practise to blur or pixelate sensitive information like account numbers when you share an image online, but your info might not be as secure as you think. It takes some work, but there are ways to uncover that sensitive text.

It's Evil Week here at Lifehacker, which means sharing tips from the dark side of life. With that in mind, here are ten social media faux pas that are guaranteed to infuriate your followers and significantly lower the bar for all of humanity. Haters gonna hate.