Die OWASP Global AppSec EU ist eine der bedeutendsten europäischen Fachkonferenzen für Anwendungssicherheit (Application Security). Sie wird von der Non-Profit-Organisation OWASP Foundation veranstaltet, die weltweit Standards für Softwaresicherheit setzt. Im Jahr 2026 feiert die Konferenz das 25-jährige Jubiläum von OWASP.
Unser Kollege Michael Kuckuk ist mit seinem Vortrag Phishing for Passkeys – An Analysis of WebAuthn and CTAP dabei.
Abstract:
WebAuthn was supposed to replace passwords on the web: uniform, secure, manageable authentication for everyone! One of its unique selling points was supposed to be the impossibility of phishing attacks. When Passkeys were introduced, some of WebAuthn’s security principles were watered down in order to achieve some usability improvements and thus reach more widespread adoption.
This presentation discusses the security of Passkeys against phishing attacks. It explains the possibilities for an attacker to gain access to accounts secured with Passkeys using spear phishing, and what conditions must be met for this to happen. It also practically demonstrates such an attack and discusses countermeasures.