Experts say the techologies and their building blocks, XML and HTML, have inherent security flaws. The rise of mashups and similar technologies has given developers a way to build simple applications, but they’re also opening up a new world of security issues. The risks involved with mashups and SAAS (software as a service) come because of the amount of sensitive data that can be exposed on the Internet. However, Jeremy Burton, CEO of Serena Software, which released its enterprise mashup platform Dec. 3, said the benefits of the technologies can outweigh the risks. “There are definitely security risks involved when exposing any URL on the Internet which contains confidential data behind it,” Burton said at the XML 2007 conference here Dec. 3.