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Network outages, hacking, computer viruses, and similar incidents affect our lives in ways that range from inconvenient to life-threatening. Akamai found in its research, for the State of the Internet Security Report that attacks on web applications increased by 59% percent from Q4 2017 to Q1 2018. These grim statistics make it clear that application security is more important than ever. This article will help you unfold the concept of application security.
Let’s take a look at the topics covered in this Application Security article:
Application Security | Application Security Tutorial | Cyber Security Certification Course | Edureka
Today, our entire modern way of life, from communication to e-commerce, fundamentally depends on the Internet. We exchange money, play games, read the news, do shopping and a lot of other things using the internet. The Internet informs, entertains and connects us. But this luxury of using internet comes with a price – security.
Cybercrime is a global problem that’s been dominating the news. It poses threat to an individual’s security and an even bigger threat to large enterprises, banks and government. The past year featured daily news about cyber attacks, data breaches, and software vulnerabilities. But the good thing is that even with this flawed internet, there are simple things that we can do to protect ourselves from these attacks. This is where cybersecurity comes into the picture. Here is a quick definition:
“Cybersecurity is the body of technologies, processes, and practices designed to protect networks, computers, programs and data from attack, damage or unauthorized access.”
Ensuring cybersecurity requires the coordinated efforts throughout an information system and this include:
Let’s explore application security in detail.
Cybercrime has risen exponentially in recent years, exposing a wide range of vulnerabilities in web and mobile applications. Most of these security issues are caused due to poor coding practices, which lead to poor application code integrity. In other words, hackers are exploiting application-layer loopholes in poorly-coded applications to initiate their attacks.
Web application security is the process of protecting websites and online services against different security threats that exploit vulnerabilities in an application’s code. Common targets for web application attacks are content management systems (e.g., WordPress), database administration tools (e.g., phpMyAdmin) and Software-as-a-Service(SaaS) applications.
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Hence organizations failing to secure their web applications run the risk of being attacked. And this is mostly due to vulnerabilities present in the application. Application vulnerabilities are creating havoc in today’s cyberspace giving leeway for different kind of attacks.
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Here, the perpetrator uses malicious SQL code to manipulate a backend database so that he/she get his/her hands on sensitive information
XSS occurs when the attacker injects malicious code directly into an application, thereby gaining access to accounts, activate Trojans or modify page content
Hacker injects a file onto a web application server. By doing so he can execute malicious scripts or code within the application, as well as steal data and manipulate it
It’s caused when a malicious web application makes a user’s browser perform an unwanted action in a site to which he is logged into.
Well, these are few most popular types of attacks, that exploit vulnerabilities in an application to initiate the attack. OWASP (Open web application security project) lists top 10 application vulnerabilities along with the risk, impact, and countermeasures, every 3-4 years.
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‘Prevention is better than cure’. Most of the time organizations have countermeasures to ensure safety against these attacks. These countermeasures can take the form of software, hardware, and modes of behavior.
Today, cyber threats are so routine and sophisticated that they seem almost impossible to prevent. Yet security programs continue to evolve new defenses as cyber-security professionals identify new threats and new ways to combat them.
Earlier, we discussed different types of attacks. Let’s explore one of the attacks in detail.
SQL injection, also known as SQLI, is a common attack that uses malicious SQL code for backend database manipulation to access information that was not intended to be displayed.
A successful injection attack may result in the unauthorized viewing of user lists, the deletion of entire tables and, in certain cases, the attacker gaining administrative rights to a database, all of which are highly fatal to a business. SQL injection usually occurs when you ask a user for input, like their username/ userid, and instead of a name/id, the user gives you an SQL statement that you will unknowingly run on your database.
Look at the following example:
txtUserId = getRequestString("UserId"); txtSQL = "SELECT * FROM Users WHERE UserId = " + txtUserId;
The original purpose of the code was to create an SQL statement to select a user, with a given user id. A user with malicious intentions can input this: User Id: 105 OR 1=1
Well, the input is valid, in fact, it will return ALL rows from the “Users” table because OR 1=1 is always TRUE. This way a hacker might get access to all the usernames and passwords in a database, by simply inserting random data.
Seems simple and dangerous!
You can take a look at the video below to know how to exploit the SQL vulnerability of an application to extract sensitive information.
Application Security | Application Security Tutorial | Edureka
This video will help you understand what application security is and measures taken to improve the security of an application often by finding, fixing, and preventing security vulnerabilities.
So, was the video informative and fun? Please, do let us know in the comments section of this article.
So, this is it! After reading this article, I hope you have a better understanding of what application security is, and what the main goals are. If this has spiked your interest and you are interested to know more about cybersecurity concepts then enroll in the Cyber Security Training Course by Edureka.
You can also take a look at our newly launched CompTIA Security+ course which is a first-of-a-kind official partnership between Edureka & CompTIA Security+. It offers you a chance to earn a global certification that focuses on core cybersecurity skills which are indispensable for security and network administrators.
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Got a question for us? Please mention it in the comments section of “Application Security” and we will get back to you.
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