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5 easy cyber security Halloween costumes

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Luciano Mondragon
Luciano Mondragon
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Oct 29, 2024
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6 min read

Halloween is the perfect time to embrace your inner cyber villain — without actually hacking anyone, of course. Whether you’re heading to a costume party or just want to impress your tech-savvy friends, why not dress up as a classic cyber threat? These cyber security Halloween costumes are easy to put together and will definitely make an impression. Here are five of the best cyber security-themed Halloween costumes to try this year!

1. The phishing email

Nothing’s scarier than falling for a phishing scam, so why not bring one to life?

How to make it:

  • Wear a whiteboard or poster board with a fake email that screams "SCAM" (e.g., “URGENT! Your bank account has been compromised! Click here now!”).

  • Carry a fishing rod with an attachment labeled “Login Info”. You can make the rod with any stick — just attach a rope to it.

  • Bonus points if you have a friend dressed as an unsuspecting victim clicking on your bait.

Spooky Factor: 10/10 — because even the most tech-savvy fall for phishing sometimes.

2. The computer virus

A virus that infects everything in its path? That’s Halloween gold.

How to make it:

  • Wear all green or cover yourself in “code” (cut-out lines of programming stuck to your clothes).

  • Attach sticky notes saying things like “System Error,” “Data Corruption,” or “Blue Screen of Death.”

  • For an extra creepy touch, randomly glitch like a corrupted file while you walk.

Spooky Factor: 9/10 — because no one likes dealing with malware.

3. The ransomware hacker

This cyber criminal locks up data and demands a ransom — perfect for Halloween villainy! If you're looking for easy hacker costume ideas, this one is a winner.

How to make it:

  • Dress in all black, wear sun­glasses, and carry a brief­case with a sign saying “Pay in Bitcoin.”

  • Stick USB drives labeled “DO NOT OPEN” onto your outfit.

  • Print fake ransom notes saying, “Your files have been encrypted! Pay up or lose them forever!” and hand them out to partygoers.

Spooky Factor: 8/10 — you never want to be hit with ransomware.

4. The “weak password”

Be the reason IT professionals lose sleep at night.

How to make it:

  • Wear a shirt that says “Password123” or “qwerty” in huge letters.

  • Attach sticky notes with laughably bad security questions like “What’s your mother’s maiden name?”

  • Walk around with a fake login screen asking for people’s credentials.

Spooky Factor: 7/10 — because weak passwords are an actual horror story.

5. The DIY incognito mode

You think you’re invisible, but the internet knows better! If you’re looking for a DIY hacker costume for Halloween, this one is simple and clever.

How to make it:

  • Dress in all black with a trench coat, sunglasses, and a hoodie.

  • Wear a sign that says “Incognito Mode: Nothing to See Here.”

  • Carry a magnifying glass or a “deleted” browser history printout.

Spooky Factor: 6/10 — because we all know incognito mode isn’t as private as we think.

Group variations of cyber security Halloween costumes

Sometimes, a little extra twist can turn a good costume into a great one. If you want to take your cyber security Halloween costume to the next level, here are a few fun variations:

  • The phishing email — group edition: Instead of just dressing as the phishing email, gather a group of friends and dress up as various types of phishing scams. One could be a fake charity, another could be a prize-winning scam, and one could even be a “missed delivery” notification. With so many scams out there, you can add as many people as you want.

  • The computer virus — glitchy digital family: If you have multiple people dressing up, each person can be a different type of virus or malware. One could be a "Trojan Horse" with some accessories for horsing around, another could be a "computer worm," and you could even have someone as an “Adware” pop-up.

  • The ransomware hacker — add a hostage: If you’re feeling extra crafty, you could add a "hostage" element to your ransom costume. Have a friend dress up as a computer screen with the ransom message on it and play that they’re being held hostage!

These variations will let you personalize your costume while still staying true to the cyber theme.

How to respond to the cyber security questions your Halloween costume might raise

A cyber security Halloween costume may work as an ice­breaker for conversations, and you might get asked tricky security questions related to your outfit. To help you out, here are some easy security tips to go with your DIY hacker costume.

  1. Promote stronger passwords
    Share a tip or two while you’re dressed as the “Weak Password” costume. Let people know that “Password123” and “qwerty” aren’t safe choices. A strong password includes a mix of uppercase and lowercase letters, numbers, and symbols. A best password is one you can’t remember — use a password manager to do that for you!

  2. Highlight the dangers of phishing
    Dressing up as a phishing scam is a great way to remind people how easily they could fall victim to phishing attacks. Encourage your friends to be more cautious about unsolicited emails that ask for personal information. A simple rule: if it looks too good to be true (or too urgent), it probably is. And tell them to not open links without checking them first for free with F-Secure Link Checker.

  3. Discuss ransomware and malware protection
    As the “Ransomware Hacker,” talk to people about the importance of backing up files and avoiding suspicious links. Remind them to keep their antivirus software up to date and to never pay a ransom if their files are encrypted.

  4. Spread the importance of privacy
    If you're going as “Incognito Mode,” use the opportunity to explain how incognito browsing works (or doesn’t work) and why it’s important to stay aware of the data we leave behind. Encourage your friends to take advantage of privacy settings on social media and be mindful of what they share online.

Final thoughts

Cyber security Halloween costumes aren’t just scary in real life — they also make for hilarious Halloween outfits! Whether you’re a phishing scam, a lurking hacker, or just a really bad pass­word, these costumes will get a laugh (and maybe a few cyber security reminders) from your friends.

Halloween costumes can be a fun and creative way to get the conversation started about online safety. By mixing some spooky vibes with cyber security awareness, you can make sure your friends and family are more aware of potential threats while still having a blast on October 31st.

Stay safe, online and offline — because the real cyber monsters never take a night off.

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