DOS Attack in Android | Denial of Service attack | How does DoS attack work?

Опубликовано: 15 Июль 2020
на канале: VISTA InfoSec

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#DoSAttack #DenialofServiceAttacks #DoS

DOS Attack in Android | Denial of Service attack | How does DoS attack work?

• What is Denial of service?
DoS attacks generally take one of two forms. They either flood web services or crash them. It happens when user input is given more than allocated memory. A Denial-of-Service (DoS) attack is an attack meant to shut down a machine or network, making it inaccessible to its intended users. ... Buffer overflow attacks – the most common DoS attack. The concept is to send more traffic to a network address than the programmers have built the system to handle.

• What do DOS Attacks on Mobile Apps Look Like?

Mobile apps, in general, are a threat to these dreaded attacks. In fact, mobile apps have been used to control mobile devices that are used to perform such attacks as well. One of the reasons why mobile apps are susceptible to these attacks is because it is easy for an attacker to profile the user itself and that tremendously increases the probability to be able to perform DoS attacks on mobile apps in a successful manner.
Another thing about mobile apps is that more often than not they aren't very well secured. We've done detailed studies on security issues in banking apps as well as security issues in e-commerce apps and have found more than 80% of apps in both cases to be weak in security. Remember, all these apps have transactions and money involved and the expectation for security is way higher.

• So how does a DOS attack on mobile apps look like?

Well, if we take a really simple example then imagine someone built an app and put it on the mobile app store, and you as a user downloaded this app. This app itself can either expose you to a DOS attack or open up some new security loopholes on your mobile device so that it can be used for such an attack on some other server. This basically means the attacker has a control on your device via the app that they built and you downloaded. This way, you can either be a victim of a DOS attack or a source. Neither is a good sign.
DOS attacks cause a lot of direct damage especially to companies since it blocks web traffic leading to reduced revenue, and also adds to a high cost in terms of remediation.

• Impact of DOS Attack:

A denial-of-service condition is accomplished by flooding the targeted host or network with traffic until the target cannot respond or simply crashes, preventing access for legitimate users. DoS attacks can cost an organization both time and money while their resources and services are inaccessible.

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