iOS 27 Blocks Data Vendors Without Warning: LiveRamp, Permutive and Audigent
Apple blocked LiveRamp, Permutive and Audigent without warning following the launch of iOS 27 in mid-September. The programmatic market is discussing the scale of the damage.
Apple blocked a number of major data and identity vendors without warning following the launch of iOS 27 in mid-September. According to available information, the initial blocklist included LiveRamp, Permutive and Audigent — companies whose identity graphs and data underpin a significant share of programmatic deals.
Apple's decision was unilateral: the blocks took effect suddenly and without prior consultation with the market. The precedent affects not just one company, but an entire layer of ad tech infrastructure — those who enable user matching, audience management and measurement in the open ecosystem.
What is happening in the market?
The news coincided with Advertising Week New York — the week's largest industry conference. According to attendees, the programmatic ecosystem is talking about almost nothing else: the reaction has been compared to an overturned beehive, with everyone stinging at once.
The list of blocked vendors was not limited to three names — it continues to grow, and the market expects more to come. For brands and agencies, this means direct operational risk: data activation chains built on the identity solutions of blocked providers may stop working on iOS 27 devices.
Who was hit first?
The three companies on the initial list — LiveRamp, Permutive and Audigent — represent different market segments:
- LiveRamp — a leader in data onboarding and identity resolution, a key intermediary between brands' CRM data and the advertising ecosystem;
- Permutive — a specialist in publishers' first-party data;
- Audigent — a data platform working with audiences and context.
The blocking of these particular players shows that Apple is striking at the ecosystem's connective tissue — those trying to maintain user identification after the deprecation of IDFA and the introduction of ATT.
What does this change for advertisers?
For advertisers and publishers outside Apple's "walled garden," the upshot is the same: access to third-party identity solutions on iOS is narrowing even further. With each new turn of Apple's policy, the space for independent targeting and measurement on iPhone and iPad shrinks.
Vendors that escaped the block are preparing for the consequences: the market is discussing migration scenarios toward alternative identification methods, including first-party data, contextual targeting, and direct integrations between publishers and buyers.
What's next?
The key question of the coming weeks is whether the blocklist will expand. If Apple continues to cut off identity vendors one by one, the independent programmatic ecosystem on iOS will have to rebuild its foundation: moving away from user matching toward models that do not depend on third-party identifiers.
Conversations at Advertising Week New York show that the market is no longer debating whether iOS 27 will affect data vendors' business. The discussion is about the scale of the damage and the speed of adaptation.
Original: bugs.webkit.org
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