Short answer: a document security policy for the fax fits on two pages: who is allowed to send and receive, where files live and for how long, what the transmission log records, how paper is protected, and how new joiners are trained. Eight points are enough, signed off by management and reread every year. Here is the model, written for organisations where fax remains mandatory.
Why fax is coming back into security policies
Healthcare, legal, insurance, logistics, public procurement: in these trades fax stays a channel partners require, sometimes one regulation still expects. Security teams value an advantage that is rarely noticed: fax never touches the email inbox. A document sent by fax cannot carry a poisoned attachment or a fraudulent link waiting to be clicked — the two vectors ransomware uses to walk into an organisation. The channel also bypasses spam filters, which quietly block legitimate messages more often than people assume.
That digital reprieve waives nothing: fax carries risks of its own, physical this time. A health record left on the tray of an open-access multifunction printer, a number misdialled twice, a working draft dropped in the ordinary bin: failures that no encryption or antivirus will ever fix. That is precisely what a document security policy addresses — treating fax like any other channel of the organisation, with rules of its own.
The concrete rules: station, paper, drafts
A dedicated station, not a machine in the corridor
The machine lives in an access-controlled area: a back office, not the reception hall or the break room. Anyone not authorised does not walk in; a multifunction device reserved for fax beats a shared printer whose output the first passer-by collects. With no machine and an online service instead, the rule moves to the workstation: sending happens from a named account, never from a shared session with no individual login.
The paper tray gets emptied, not filled
A received fax never sleeps more than an hour on the tray: write down who collects it, how often, and where the documents go next. A fax that reaches your organisation by mistake is neither read nor photocopied: it goes back to the sender, or is destroyed under your incident procedure.
Drafts are destroyed the same day
Retyped drafts, test pages, duplicate copies, obsolete sending lists: all of it leaves the office through the cross-cut shredder placed next to the station — never the ordinary bin, never the corridor paper waste. Paper that has left the workflow never becomes scrap paper again.
The digital side of the online service
Most organisations replace the machine with an online sending service; the policy must then describe the digital chain, with four requirements:
- encrypted transport: the transmission runs over HTTPS, from browser to server;
- encrypted storage: files sit encrypted on the provider's disks;
- retention period: how many days a file stays available after sending — and who can delete it sooner;
- server location: a European organisation prefers hosting inside the Union, documented by the provider.
Add the accounts rule: named logins, a dedicated password, two-factor authentication where the service offers it. The technical measures expected of the transmission itself are detailed in our fax security guide; the data-controller obligations — lawful basis, records of processing, subprocessors — are reviewed in our article on fax and data protection.
Logging: who sent what, and keeping the trace
The transmission log is the backbone of the policy. Every sending appears with its timestamp, the recipient reached, the volume sent and the delivery outcome; the matching receipt is filed with the document it proves and kept for the same retention period. The designated owner reviews the log monthly: a sending outside opening hours, a number outside the partner directory, an unusual volume — every anomaly deserves one simple question, asked quickly.
The log is protected in its turn: restricted access, a monthly export archived, no deletions by whoever operates the station.
An eight-point policy template
Copy, adapt, and have management sign:
- Scope — flows covered, sites, machines and online services included.
- Permissions — who may send, who may receive; a named list kept current.
- Station and access — where the machine sits, who enters the area, how the online service is reached.
- Paper — tray collection frequency, where originals go, same-day destruction of drafts.
- Files — one archive tree, naming rules, retention periods per family, deletion after sending.
- Logging — what the transmission log records, how receipts are kept, who reviews it and how often.
- Training — an onboarding module for new joiners, refreshed whenever the policy changes.
- Review — an annual read-through by management, updating durations, access rights and the authorised list.
Training new joiners
Training happens on arrival, not after the first incident. Thirty minutes at the station cover it: where the machine is, who may send, how to check the number twice, what to do with a fax received in error, where drafts go. Leave a one-page memo at the station — if the rules do not fit on it, they will not fit anywhere. The manager checks the newcomer's first sendings, then records the session in the log: who, when, which version of the policy. At each annual review, the list of trained staff goes back on the table.
Two pages, eight points, one signature at the bottom: that is the difference between an organisation that endures its faxes and one that controls them.
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