The investigation specifically targets the platform’s age assurance systems—methods used to verify a user's age—and the visibility of its parental controls.
The regulator expressed concerns that current safety measures may be failing to prevent children from accessing restricted content, such as extreme violence or pornography.
Under the Online Safety Code, platforms cannot rely solely on a user’s self-declared age and must provide accessible tools for parents to monitor account activity.
If X is found to be in breach of these regulations, it could face financial penalties of up to €20 million or 10% of its annual turnover.
To comply with various international regulations, X has previously stated it uses account history, email addresses, and social connections to estimate age.
However, Coimisiún na Meán will now evaluate whether these mechanisms are truly effective and if parental control options are sufficiently highlighted during the account sign-up process.
This investigation follows a broader trend of regulatory scrutiny for X, which is currently involved in several other inquiries under the EU Digital Services Act.