Monitoring emails and messages (including chat in collaboration tools) to protect information, for security, to spot suspicious activity or to enforce acceptable use requires a clear purpose, necessity and proportionality, and informing workers of the purpose; the employer must complete a DPIA because it is high risk and likely to capture special category data.
This control maps to 1 controls across 1 other frameworks. If you already hold one of them, the evidence you collected for it is the starting point here rather than new work.
Every mapping shown was judged rather than inferred from wording similarity, and the ones that failed review are published too. See the coverage reports and what was rejected.
The graph holds this control, the 1 it maps to, and the evidence behind each claim, over MCP and REST.