Java is an essential program for many users on any operating system due to its numerous uses in various daily activities , and Mac users are no exception . Among the common uses of Java is compatibility with certain websites or applications developed in Java. However, Java is no longer installed by default on Mac computers.
Java 7 security flaw that compromises Mac users
If you recall, on August 15th, Oracle released a new Java 7 update for all Mac users. According to Metasploit , a security flaw has been discovered that they consider very dangerous, as simply visiting a malicious website could lead to infection. This is very bad news for Oracle, who, after regaining control of updates, now finds this happening.
Oracle officially releases Java SE 7 for OS X
A new Trojan on Mac called Sabpab exploits the same Java vulnerability as Flashback

Apple has released several Java updates in recent weeks addressing a security vulnerability that allowed the Flashback Trojan to infiltrate the system for the past few months. If you haven't updated yet, you should do so immediately, as the same vulnerability is now being exploited by a second Trojan called Sabpab, named by Sophos, the company that discovered it.
Flashback has already infected more than 600.000 Macs
The number of viruses is much lower than for Windows , obviously, but the increasing prevalence of OS X means that threats to this operating system are on the rise. A new Trojan appears to have emerged, and in a short time, it has infected more than 600.000 Macs worldwide. It doesn't seem to pose a serious threat to the system, but the fact that it's programmed in an unknown language and doesn't require the administrator password at all has raised concerns. How do I know if my Mac is infected? Follow these steps and you'll find out.
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