Fingerprints Are the New Cookies: Browser Tracking That Users Can't Clear
royfish · hn · 2026-10-12
royfish argues that as browsers phase out third-party cookies, tracking is shifting to device and browser fingerprinting. Unlike cookies, fingerprints require nothing stored client-side: combinations of fonts, screen parameters, and Canvas/WebGL rendering quirks uniquely identify a device, invisibly and persistently. The post covers common fingerprinting techniques, why they're harder to opt out of than cookies, and the limits of incognito modes and anti-fingerprinting browsers.
More from Safety
- Sanders calls to pause autonomous AI agents in bank accounts; critics push back — AIandDesign · 2026-10-23
- TechPolicy essay: system prompts are weak evidence of AI safety, outputs must be evaluated — mmitchell_ai · 2026-10-23
- Anthropic's deputy security chief warns cyber threats will get 'a lot worse before they get better' — Polymarket · 2026-10-23
- AI cyberattacks could paradoxically accelerate AI development in an offense-defense arms race — kimmonismus · 2026-10-23
- AI Now's People's AI Assembly spotlights data center opposition and labor rights — AINowInstitute · 2026-10-23
- Cloudflare CEO: Next two years of AI cyberattacks will be terrifying but make the internet more secure — johncoogan · 2026-10-23