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Cybersecurity

The password spreadsheet is a risk: key management with 1Password

Published on September 25, 2026 · 3 min read · by ADMNetwork

The biggest security hole in many companies is not a sophisticated virus. It is a spreadsheet called "passwords.xlsx", or a person using the same password on ten sites. When that person leaves, no one knows what they had access to. Managing corporate passwords well is one of the most cost-effective things a company can do: it removes a lot of risk for very little effort.

Why the password spreadsheet is a problem

Keeping keys in a spreadsheet, a shared document or loose notes fails on every front. Anyone with access to the file sees them all. You do not know who got in or when. You cannot revoke a single access. And if the file leaks, absolutely everything leaks at once. It is convenient, yes, until the day it is not.

The other classic is reusing the same password. It only has to leak in one place for attackers to try it everywhere else. It is, literally, handing out the same key for your house, the office and the safe.

What a corporate password manager is

It is a digital vault for the company's keys. Each access is stored encrypted, and each person gets in with a single master password (plus multi-factor). From there, the manager fills in passwords for you, generates strong, unique keys for each service and lets you share access with whoever needs it, without anyone ever seeing the password in the clear.

What changes with a tool like 1Password

  • Strong, unique passwords on every service, without anyone having to memorise them.
  • Sharing with control. You give a team access to what it needs, and take it away when they change roles.
  • Clean joiners and leavers. When someone joins or leaves, you manage their access in one place, with no loose ends.
  • Visibility. You know which passwords are weak, reused or found in known breaches.
  • Goodbye to the spreadsheet and notes. A single source, encrypted and tidy.

At ADMNetwork we are a 1Password partner precisely because it is one of the measures that removes the most risk for the least effort. Cheap to put in place, expensive to go without. We deploy it within our cybersecurity for businesses service.

Where to start

The change is simple and noticeable from day one: the tool is rolled out, your existing access is imported, it is organised by teams and people are trained in ten minutes. From then on, no one fights with passwords again or stores them where they should not.

Frequently asked questions

Why is it dangerous to keep passwords in a spreadsheet?

Because anyone with access to the file sees them all, you do not know who got in, you cannot revoke specific access and, if the file leaks, all the keys leak at once.

What is a corporate password manager?

It is an encrypted digital vault for the company's keys. Each person gets in with a master password and multi-factor, and the tool generates, stores and shares passwords securely.

What does 1Password bring to a company?

Strong, unique passwords on every service, sharing access with control, managing joiners and leavers with no loose ends, spotting weak or leaked keys and getting rid of the password spreadsheet.