Hansestack Blog
Account Takeovers & NIS2: Why Credential Stuffing Defenses Often Fail at the Architecture Level
Account Takeover (ATO) has evolved from a minor technical nuisance into a major financial and legal liability for enterprises. While regulatory bodies mandate stricter checks during authentication, engineering teams face a fundamental dilemma: how to integrate these security layers without jeopardizing the availability and performance of core systems.
September 24, 2026
Open Beta: The Data-Sovereign Leak Check API is Live
Check passwords against leaks in compliance with GDPR and BSI guidelines, without sending data to the US or hosting your own databases: The Hansestack Leak Check is live and now available for development teams in Open Beta.
August 20, 2026
Credential Stuffing: The Underestimated Compliance Risk
TL;DR: Although compromised passwords are the #1 security risk according to the Verizon DBIR, very few companies secure their login flows against them. However, guidelines from BSI and NIST are clear—making unchecked logins a tangible GDPR compliance risk.
August 20, 2026