In a nutshell: Website operators must replace SIWECOS with alternative security solutions by June 30, 2026.
The security scanner tool SIWECOS will be shut down on June 30, 2026. The reason is an unsustainable financial situation at the non-profit operator of the free web security test.
The non-profit association operating the free web security scanner SIWECOS has decided to shut down the service on June 30, 2026. The reason cited is financing difficulties faced by the operator. Consequently, the service will no longer be available in approximately 18 months.
SIWECOS is used by many website operators – particularly small and medium-sized enterprises – to identify security vulnerabilities and misconfigurations. The tool provides a quick overview of common web security risks.
Website operators should begin evaluating alternative solutions now to ensure timely migration of their security processes. Suitable replacements include established scanners such as OWASP ZAP, Burp Suite, or commercial web application firewall and scanning solutions.
Source: borncity.com · Published June 4, 2026
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