Let me tell you about the call I get more than any other.
A business owner calls because they can’t log into their email. Or their bank account. Or their Microsoft 365. We dig into it and find that their password - the one they’ve been using for years, the one that’s on seven different accounts - showed up in a data breach somewhere. An automated tool tried it everywhere. One of those logins worked.
That’s credential stuffing. It’s not sophisticated hacking. It’s just math: take a list of leaked passwords, run them against every major service, see what opens.
Why reusing passwords is so dangerous
Every major website gets breached eventually. LinkedIn. Adobe. Hotels, banks, random apps you signed up for once. When that happens, the username/password combo gets sold or posted publicly. Automated tools then test that combination against Gmail, Microsoft, PayPal, your bank - whatever they can find.
If your password for the breached site is the same as your email password, your email is now compromised. From there, an attacker can reset passwords for everything else.
This isn’t theoretical. It’s how most small business account takeovers happen. I’ve watched it play out dozens of times.
The fix: a password manager
A password manager stores a unique, randomly generated password for every account. You remember one master password. The manager handles everything else.
Bitwarden is my recommendation for small businesses. It’s open-source, security-audited, free for individuals, and $3/user/month for teams. The team plan includes shared vaults - useful for things like shared service logins or emergency access.
Setup takes about an hour for a small team. After that: every new account gets a unique password, every existing account gets updated when you’re already in there. It’s a gradual transition, not a weekend project.
What “unique password” means in practice
A unique password doesn’t mean Password1! for one account and Password2! for another. It means something like x7Kp#mQ9$bL2wR4j - random, 16+ characters, impossible to guess, impossible to reuse accidentally because you didn’t choose it.
Your password manager generates these automatically. You never see or type them. When you log in, the manager fills them in.
Bonus: it makes your logins faster
Once you’ve got a password manager installed (browser extension + phone app), logins become one-click on most sites. No more “forgot password.” No more trying three variations of your usual password. Counterintuitively, better security makes daily logins more convenient.
If your team is still sharing passwords by text message, or using variations of the same base password, getting everyone onto a password manager is the single most impactful security improvement you can make this week. Reach out to DarkHorse IT if you want help rolling it out.