You Wouldn't Share Your Toothbrush—So Why Share Your Password?

Look, we've all been there. You're in a rush, half-asleep, fumbling about in the morning, and suddenly you realise your partner, child, or suspiciously comfortable houseguest has used your toothbrush. Cue the existential horror, immediate disgust, and frantic Googling of weird mouth-related diseases. Disgusting, right? You bet it is.

And yet, despite the universal agreement that toothbrushes are sacred, deeply personal tools that should never—ever—be shared, there's still a frightening number of people merrily handing out their passwords like discount flyers in a supermarket car park. Passwords, my friends, should be treated with the same paranoid intensity as your toothbrush. Personal, non-negotiable, and absolutely yours alone.

But let's unpack this, shall we? After all, we're rational adults, capable of making sensible decisions—except when we're obviously not.

First, consider hygiene. Would you willingly use someone else's toothbrush, knowing full well it’s been all up in their mouth, scraping off leftover spinach and mystery goo from last night's dodgy takeaway? Absolutely not. Now think of passwords in exactly the same revolting terms. When you casually share your password, you're basically allowing someone else to digitally rummage through your metaphorical mouth. They're poking about, potentially leaving their digital germs everywhere, and who knows what kind of dodgy browsing habits they might have. Before you know it, your online hygiene is compromised, and you're stuck dealing with digital plaque you didn't even create.

Let’s talk trust issues next. You know that overly trusting friend who hands over their Netflix password to literally anyone who says “I love documentaries!”? Sure, it starts out harmless, but suddenly their account has twenty-four random profiles, half of which are binge-watching something unsettling at three in the morning. It's not just annoying; it's downright unsettling. Now amplify that chaos to something a bit more critical—say, your email, bank, or business accounts. Not so funny now, is it?

Sharing passwords is essentially entrusting someone with unrestricted access to your digital life. And much like loaning your toothbrush to a mate who swears they're just going to brush lightly—yeah, right—it rarely ends well. Maybe it begins innocently enough with a quick login to print a document, but soon they're poking through your emails, your saved addresses, your Amazon shopping cart filled with embarrassingly weird items you've been secretly contemplating. Once it's out there, it's out there.

Now let's talk about security. If the toothbrush metaphor hasn't grossed you out enough already, let’s get serious. Your password isn't just a random sequence of characters designed to torture your memory. It’s the digital key to your life—bank details, social media, emails, work accounts, the lot. Every time you hand out your password, you dilute your digital security like watering down beer. Sure, it still looks like beer, but it's no longer doing what beer should do. And let's face it, no one likes weak beer—or weak passwords.

“But I trust them!” you might whine. Really? Remember your ex who “borrowed” your toothbrush once because they "forgot theirs," then vanished into the sunset leaving you with emotional scars and probably plaque? Trust is great, admirable even, but trust is fickle. People are unpredictable. They break up, friendships sour, business partnerships implode spectacularly. When relationships sour—and they sometimes do—you’re suddenly left wondering why your ex-best mate from uni just bought three PlayStations using your PayPal.

Now, because we're helpful, here's a golden nugget of practical advice: create passwords from three random words. It's simple, easy to remember, and shockingly secure. Combine something like "purplehatdog" and suddenly, your password game goes from being as secure as leaving your toothbrush in a public toilet to fortress-level protection.

Better yet, get yourself a password manager. It's like having a dedicated toothbrush holder for every single toothbrush you've ever owned—only significantly less cluttered and infinitely more secure. A password manager remembers all your passwords for you, generates annoyingly complex and secure ones you’d never think of, and does it all without ever forgetting, unlike your brain after a night out.

Let's dive into accountability. Sharing passwords muddies the waters of responsibility. If your Netflix password is shared with 37 of your closest friends, who's accountable when your recommendations list starts suggesting weird, niche documentaries about the mating habits of rare insects? Exactly, you are. Similarly, in professional environments, if you’ve given out your passwords like sweets at Halloween, how can anyone possibly keep track of who’s responsible if sensitive data leaks? Your IT department will absolutely lose their minds—and rightly so—when tracking down who accidentally downloaded malware while browsing “definitely not dodgy” websites. Spoiler alert: It’s your fault.

There’s also the little issue of compliance. If your workplace finds out you're passing around passwords, expect a very awkward meeting, probably titled “Why You’re Fired: A PowerPoint Presentation.” Password sharing at work isn’t just lazy; it’s reckless and often explicitly prohibited. You’re literally inviting trouble into your professional life, like deciding to borrow your boss’s toothbrush without permission. Gross and career-ending.

And before you argue “I just share passwords occasionally,” consider this: would you occasionally share your toothbrush? Like, just on weekends? No? Exactly. Password security isn't a part-time gig; it's an always-on responsibility.

Now, you might feel I'm overreacting slightly, comparing your casual password sharing to toothbrush horror stories. But here's the kicker: it only takes one slip-up, one compromised account, to bring your carefully curated digital life crashing down around you. Suddenly, you're locked out of everything, your private life exposed, and your digital world spirals into chaos quicker than you can say, “I really should've listened to that hilarious yet surprisingly wise blog post.”

So let’s get this straight once and for all: your password is like your toothbrush. Guard it fiercely. Keep it clean. Change it regularly. Use three random words or even better, use a password manager. And whatever you do—no matter how desperately your partner begs to just “borrow it real quick”—never, ever, share it.

Because some things are just too personal, and yes, your password absolutely counts.

Noel Bradford

Noel Bradford – Head of Technology at Equate Group, Professional Bullshit Detector, and Full-Time IT Cynic

As Head of Technology at Equate Group, my job description is technically “keeping the lights on,” but in reality, it’s more like “stopping people from setting their own house on fire.” With over 40 years in tech, I’ve seen every IT horror story imaginable—most of them self-inflicted by people who think cybersecurity is just installing antivirus and praying to Saint Norton.

I specialise in cybersecurity for UK businesses, which usually means explaining the difference between ‘MFA’ and ‘WTF’ to directors who still write their passwords on Post-it notes. On Tuesdays, I also help further education colleges navigate Cyber Essentials certification, a process so unnecessarily painful it makes root canal surgery look fun.

My natural habitat? Server rooms held together with zip ties and misplaced optimism, where every cable run is a “temporary fix” from 2012. My mortal enemies? Unmanaged switches, backups that only exist in someone’s imagination, and users who think clicking “Enable Macros” is just fine because it makes the spreadsheet work.

I’m blunt, sarcastic, and genuinely allergic to bullshit. If you want gentle hand-holding and reassuring corporate waffle, you’re in the wrong place. If you want someone who’ll fix your IT, tell you exactly why it broke, and throw in some unsolicited life advice, I’m your man.

Technology isn’t hard. People make it hard. And they make me drink.

https://noelbradford.com
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