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25. September 2026Fachartikel

Wie werden Websites gehackt? Die häufigsten Angriffswege und Abwehrmaßnahmen

Most websites aren't compromised through exotic zero-days, but through an unpatched plugin, a stolen password or a forgotten admin panel.

1 Min. Lesezeit

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The paths attackers use most

  1. Path 1

    01

    Software with known vulnerabilities

    Outdated CMS, plugin or framework versions are found and exploited en masse by automated scanners.

  2. Path 2

    02

    Stolen or weak credentials

    Passwords from breaches are tried against admin panels without MFA.

  3. Path 3

    03

    Injection and access control flaws

    SQL injection, XSS and access to other users' data (IDOR) come from bugs in application code.

  4. Path 4

    04

    Exposed admin interfaces and services

    Internet-facing databases, RDP, test environments and forgotten subdomains.

  5. Path 5

    05

    Supply chain

    When third-party scripts or packages on a site are compromised, every visitor is affected.

A defense for every path

Attack pathDefenseQuick check
Vulnerable softwarePatch management, version hiding, WAFTechnology Lookup + CVE Explorer
CredentialsMFA, unique passwords, login rate limitsBreach Exposure Checker
Injection / XSSSecure coding, Content-Security-PolicyHTTP Security Headers
Exposed servicesFirewall, admin behind VPNPort Scanner
Forgotten assetsInventory and attack surface monitoringSubdomain Finder

These tools quickly surface problems visible from outside. Flaws in application logic, broken authorization and abuse of business workflows only show up in an expert Web Application Security test.

Where to start

  1. 01

    Visibility

    Measure the baseline of your external surface with the Domain Security Scanner.

  2. 02

    Identity

    Enforce MFA on every admin panel and remove shared accounts.

  3. 03

    Patching

    Build a software inventory and set a time target for critical updates.

  4. 04

    Testing

    Run a penetration test at least once a year and after major changes.

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