#1Mobile / platformApple
Apple Security Bounty
Rewards reaching $2,000,000; potential maximum above $5,000,000 with bonuses
Apple continues to set one of the highest public ceiling rewards, especially for severe lock-screen bypass and zero-click style impact on modern devices.
Apple Security Bounty#2Web / platformMeta
Meta Bug Bounty
Up to $300,000
Meta remains one of the biggest-name public programs and explicitly advertises six-figure payouts for exceptional impact.
Meta Bug Bounty#3BrowserGoogle
Google Chrome VRP
Up to $250,000+
Google's Chrome VRP remains one of the most prestigious browser programs, with very high rewards for top-tier exploit chains and exceptional research quality.
Google VRP and 2025 rewards review#4Mobile / AndroidGoogle
Google Mobile VRP
Up to $1,500,000 for top-tier Android/Chrome-class exploit chains
Google publicly notes very high Android and mobile-class rewards, making it one of the strongest programs for mobile exploit research.
Google VRP and 2024 rewards review#5Cloud / enterpriseMicrosoft
Microsoft Bug Bounty Programs
Up to $250,000 across program categories
Microsoft's bug bounty portfolio spans cloud, identity, AI, and enterprise products, and its separate research events can make the total opportunity much larger.
Microsoft Bug Bounty Program#6AI platformOpenAI
OpenAI Bug Bounty
OpenAI public article lists rewards up to $20,000; special campaigns may differ
OpenAI's program is highly relevant for researchers focused on AI product security, account issues, data exposure, and platform trust.
OpenAI Bug Bounty Program