DEF CON smart glasses ban covers Meta-style recording eyewear

DEF CON has imposed a smart glasses ban on Meta-style eyewear with recording capabilities before its 2026 conference opens in Las Vegas next week, according to statements from the organizers on social media. The rule matters because camera-equipped glasses are moving from consumer gadget to event-security problem, forcing conferences to decide whether a small recording indicator is enough consent infrastructure for crowded venues.

The organizers said the ban applies even when the glasses contain prescription lenses. Attendees who rely on those devices were told to bring eyewear that does not violate the policy, and DEF CON pointed people to its existing photo rules.

That photo policy has not been updated since 2023, before the recent wider push around Meta’s camera-equipped glasses built with EssilorLuxottica under the Ray-Ban and Oakley brands. The policy allows public photography at the event, but it requires consent before capturing people other than speakers on stage.

Why did DEF CON ban Meta-style smart glasses?

The concern is that smart glasses make recording less visible than a phone or handheld camera, which raises consent and privacy issues in a venue where attendees may not want to be filmed. Meta says its glasses show an illuminated light while recording and that attempts to block or tamper with the light stop the device from capturing images.

Eva Galperin, director of cybersecurity at the Electronic Frontier Foundation, praised DEF CON’s move on social media, calling it a “no pervert glasses” policy. Her comment reflects a broader discomfort around camera glasses among privacy advocates, especially where filming can happen without the social signal of someone holding up a phone.

DEF CON is not the only organizer drawing a line. Monopoly Events, which runs shows including UK Comic Cons, said last week that it would no longer permit recording devices at its events after a consultation period. The company said talent, agents and attendees had raised privacy concerns, including worries that secret recording could damage interactions at tables and discourage some guests from attending in person.

Monopoly Events said people found wearing recording-capable glasses may be removed from its shows and could lose any remaining autographs or photographs they had purchased. Separately, Scottish ferry operator CalMac temporarily halted unplanned visits to ships’ bridges after a passenger wearing recording glasses filmed during a June crossing and made crew and passengers uncomfortable, according to the Ayrshire Weekly Press.

Meta’s smart glasses were originally pitched as a hands-free way to capture daily moments. Their resemblance to ordinary glasses is also what has made them controversial: the embedded camera is less obvious than earlier wearables such as Google Glass, and recording can be harder for bystanders to spot.

Privacy concerns extend beyond event floors. The Register reported that such devices can be paired with basic apps to identify passersby quickly, and that projects have emerged to warn Android users about nearby glasses using Bluetooth signals. The publication also reported that Meta is under scrutiny from the UK data protection regulator, including over cross-border data flows, after reports from Sweden that Kenya-based contractors reviewing wearer footage saw private material while labeling images and video for AI training.

Those reported review examples included footage from toilet visits, people changing clothes and conversations that allegedly revealed wrongdoing. Meta has defended its wearables by pointing to the recording light and anti-tampering behavior. The Register said it contacted Meta about the recent conference bans.

This story draws on original reporting from The Register.