For operators of web portals such as online stores, the Open Telekom Cloud will be even more secure: The new Web Application Firewall (WAF) protects websites from targeted attacks by hackers. For example, the new WAF service can thwart SQL injections. This increases security when operating SQL databases in the public cloud. In addition, the WAF can provide faster remedies for zero-day attacks. Because patches for troubleshooting security gaps can be applied independently of third-party providers, website operators will be able to react faster to such attacks in the future. Attacks via proxy servers or through several hijacked systems can also be filtered by the WAF and thus also fended off. Furthermore, the WAF service detects manipulated code from websites and automatically blocks the execution.