Mobile Malware: Analysis & Detection

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  • 0:00 Avoiding Mobile Malware
  • 1:09 Decreased Measurables
  • 1:44 Slow Performance
  • 2:32 Bill Hikes
  • 3:01 Lesson Summary
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Lesson Transcript
Instructor: Kaitlin Oglesby

Kaitlin has a BA in political science and extensive experience working in the business world as Director of Marketing and Business Development at a financial advice firm.

One of the most important ways to lessen the danger caused by mobile malware is to be able to detect it early through device analysis. This lesson shows you what to look for.

Avoiding Mobile Malware

With hundreds of millions of smartphones in use around the world, the fact is that criminals and hackers have realized that these devices are an ideal place to find unsuspecting consumers to attack with malware. While you may think of malware as being solely for your computer, the truth is that these groups have figured out that many consumers don't think of their phones as a target. As such, this makes phones the perfect target.

Before we get to the discussion of analyzing and detecting malware, it is worth making a quick public service announcement. Well over 99% of malware cases on either iOS or Android environments come from lowering the operating system's defenses against malware. If you want to be able to avoid much of the obnoxiousness that comes from dealing with the rest of this lesson, don't jailbreak or root your phone, and be sure to download new updates.

To root or jailbreak a phone means to access the phone's operating system in order to add software or apps the manufacturer wouldn't normally allow.

Decreased Measurables

If you think your phone is victim to malware, one of the most basic ways that we can check is through analyzing for decreased measurables. While it is a bit of an intimidating-sounding name, the fact is that we are just checking your free space and your battery life. If you notice that your phone, which normally has 4 GB free, is down to the last few hundred megabytes, it could be a sign that your phone is infected. Likewise, if your battery used to last all day and into the night, and now you have to charge it at your desk every afternoon, then you could be infected.

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