Nowadays, a web app can be a malware. Whether it is from trusted provider or from the third party, you should always keep an eye on the activity of web app because there are emerging threats from web sides.
Today's web applications are increasingly part of our lives and are exposed to a lot of threats. This coupled with the fact that every day new web attacks, makes it of great importance taking security measures to adequately protect our web applications.
How a Web App can be Dangerous?
For web applications, there is the possibility of malicious files on the web server to load and bring it to execution. Often files are accepted and easily on the web server stored without pre-check the validity. Possible, appropriate attacks often upload functions within the web application. In the absence of an adequate examination of the uploaded files, an attacker can place malicious code or malicious script on the server app. Malicious code is embedded into the file and by a subsequent call made to execute.
The effects of such an attack are different and depend strongly on the configuration of the web server: There is a risk of a server transfer and an attack on the users of the web application is possible.
In recent days, in fact, we talked about some applications that exploits a security bug in the Facebook platform, may have access to confidential information contained in the profile of unsuspecting users that use them.
Some malicious apps began its attack on a page that contains a piece of JavaScript code, which is similar to that commonly used on legitimate sites using AJAX technology.
This code is responsible for fetching the payload in multiple pieces and is responsible for compiling the entire client machine before running it. Different web pages found on servers attacks exploit vulnerabilities in unpatched versions of Flash Player and Internet Explorer (or any other web browsers).
How to defend from Web App Attacks
Web Application Firewalls (WAF - Web Application Firewall) are tools that work at the application level by analyzing the HTTP traffic for malicious traffic to compromising the system. They are therefore suitable to help protect against web attacks. The firewall concentrated at a single point of security measures to protect a computer or local network against external attackers. A firewall is a filter between two networks, two computers or a network and a computer where security requirements are not the same.
Do not let your pc to compromise with the Malicious Web apps. So always enable Automatic Updates for Windows and also for other security software installed in your computer. When a new threat detected, the security software will updates their signature database to detect those attacks and block them automatically. If the malicious code is already circulating in your computer, then better need a patch for that.
Now several updated web browser will allow you to easily identify true root domain of a given website and thus allowing you to block malicious Web code. So do not ever use the outdated browser since it is lacking with certain defense techniques.
Final thought
Attacks can take the form even if they are not visible "to the naked eye." This requires that the state has a tool that makes the day, processing vulnerabilities and malicious code, but that could react, prevent potential victims and advise institutional and regain control of the situation in case 'major attacks aimed at destabilizing or use a sensitive site or to capture their information for one reason or another. The examples of spectacular attacks like those that hit the U.S. Pentagon and the Microsoft Corporation. Other countries have suffered similar intrusions. This means that such risks are present and can occur at any time.
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