As we noted when Java 7 Update 11 was released, Oracle changed the default Java Security Level setting from Medium to High, meaning the user is now always prompted before any unsigned Java applet ...

Sun Microsystems, which was acquired by Oracle in 2010, introduced Java applets in 1995 and the technology was briefly popular with scientists and educators, who used them to create things such as ...

“The Java 7u21 release introduces changes to security messages related to running Java applets and applications,” Oracle said in a technical document that explains the changes.

Apps Oracle ships Java 7 Update 11 with vulnerability fixes, increased security level for Java applets January 14, 2013 - 12:20 am ...

The Java Applet application programming interface (API), which has been in Java almost since day one, is finally gone. The applet browser plug-in had already been removed in JDK 11.

Oracle says this pop-up is designed to warn users of potential security risks, such as using old versions of Java or running applet code that is not signed from a trusted Certificate Authority.

With Oracle’s change, “affected MD-5 signed JAR files will no longer be considered trusted [by the Oracle JRE] and will not be able to run by default, such as in the case of Java applets, or ...