Java Zero Day

What Does Java Zero Day Mean?

Java zero day refers to a threat that surrounds the Java programming language and Java objects, such as applets that work with various Web browsers. It also represents an important issue for Java users and systems that are vulnerable to cyberattacks because they use Java functionality.


Techopedia Explains Java Zero Day

With its straightforward syntax and a versatile application to Web design, many developers use Java to build applications for the Web.

Java has come under fire for a variety security problems. On zero day, a Java security problem is identified, and IT professionals begin working to resolve the issue. Some experts see the emergence of Java zero day security problems as an epidemic.

Many Java zero day issues include malware and virus attacks, which have led to a new kind of analysis of Java as a dangerous aspect of IP connected systems. Oracle, Java’s developer, has delivered patches and security upgrades for some of these problems, but as Java zero day threats continue emerging, some experts have suggested disabling Java on all browsers and otherwise limiting the use of Java applets or objects.


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Margaret Rouse

Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in an encyclopedia of technology terms and cited in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine, and Discovery Magazine. She joined Techopedia in 2011. Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages.