Unverified50% confidenceSolutionExact time
为Google账号开启两步验证（2FA）可在密码泄露时增加一道安全屏障
1
Sources
50%
Confidence
Long-term
Relevance
8/18/2026
First Seen
Sources
Related Claims
UnverifiedSPAKE2 的安全性已在多篇密码学论文中获得形式化证明，并被 Google 用于 Chrome 设备配对等场景71% similarUnverifiedHanding over a Google account password and two-step verification keys to third-party operators effectively allows attackers to modify recovery options, add new verification devices, and lock out the original user71% similarUnverifiedGoogle官方安全指南将备用恢复码定性为与密码同等敏感的凭证，官方建议采用离线打印或加密存储方式保管71% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/771084API
curl https://kongchang.com/api/v1/knowledge/claims/771084MCP
get_claim(id=771084)