9.1 Ensure Use of Only Fully Supported Browsers and Email Clients
Allow only browsers and email clients that the vendor fully supports to run, and only at their latest vendor-supplied version. Implementation Groups: IG1, IG2 and IG3 (part of the IG1 essential cyber hygiene baseline, so every enterprise applies it). Asset type: Software. Security function: Protect.
Source: CIS Controls v8.1, 9.1. The statement above is our statement of the clause, read from the published text and cited so you can check it against the official text, not the instrument verbatim. Open CIS Controls v8.1 in the compliance library.
Each safeguard shows its Implementation Groups. IG1 is the essential baseline for every enterprise, IG2 adds to it, IG3 is all 153. Version 8.1 adds the Govern security function and asks for more processes to be documented; numbering is unchanged from v8.
These are the artefacts auditors commonly ask for on this requirement, our guidance rather than text from the standard. Your assessor decides what is sufficient in your context, and asks for samples across the period when a report covers one.
system holds itEvidence a system already holds
- Version compliance report · Document repository
- Configuration blocking unsupported clients · Cloud console / configuration management
periodic reviewEvidence produced at each review
none for this control
governing documentDocuments that govern the control
- Approved browser and email client list · Document repository
First move
Common gaps auditors find
- Legacy browsers retained for one application
- Auto-update disabled
- Unapproved browsers installed by users
Do this for your whole sheet
Paste the rows you run your controls from and get this mapping for every control at once, with the periodic-review ones flagged and a first move per row. No account for the first run.
Build my evidence sheet8.12 Collect Service Provider Logs · 9.2 Use DNS Filtering Services