Ddos 
Extensions are an essential component of modern browsers, enabling a wide range of functionalities such as ad blocking, tracker interception, batch downloads, and website content modification. However, these same extensions also possess the ability to access and transmit user data to external servers.
In light of growing privacy and security concerns, Mozilla Firefox has announced that, beginning November 3, 2025, all browser extensions will be required to explicitly disclose whether they collect or transmit users’ personal information. This policy does not prohibit data collection outright, but rather mandates transparency, ensuring users are informed in advance when their data is being gathered.
The upcoming policy includes the following key provisions:
- All newly published extensions must declare whether they collect or transmit personal information; existing extensions will not be immediately affected.
- Extensions that postpone disclosure must do so no later than the first half of 2026.
- Even extensions that do not collect or transmit personal data are required to state this explicitly in their disclosures.
- During installation, users will be presented with clear notifications—via pop-ups or similar mechanisms—indicating the data collection status of the extension.
Mozilla noted that, while only new extensions will initially be subject to this rule, existing developers are encouraged to voluntarily add such disclosures to improve transparency. However, once an extension begins providing disclosure information, it must continue to do so in all future versions.
According to Mozilla’s roadmap, by mid-2026, disclosure will become mandatory for all extensions, meaning that any existing add-on releasing a new version will also be required to include a data collection statement. The goal is to ensure that every extension on the Firefox Add-ons platform includes a clear and visible declaration regarding data practices.
Extensions that collect user data without proper disclosure will fail automated review during submission to Firefox Add-ons, and developers will receive error messages specifying the issue.
It is worth noting that the new policy could lead to the disabling of certain older extensions, particularly those that are no longer maintained. In such cases, without developer intervention or compliance updates, these legacy add-ons may eventually become inoperable once the disclosure requirement is fully enforced.
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- Firefox Launches One-Click Rollback for Add-ons
- Mozilla Add-ons Store Overhaul: Closed-Group Extensions Allowed, Privacy Policies Simplified
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