Every App Needs a Guard!
Every person in the IT world might have come across the word “Security Testing” a lot many times, but have we ever wondered why is it so important?
By Security of an Enterprise application, we mean safeguarding of enterprise applications from external attacks, privilege abuse and data theft. In today’s world, where everything is done digitally via applications and websites, the data is at risk than ever before. The enterprises can achieve the goal of data security and protect their applications from vulnerabilities only by implementing security across all the applications.
Nowadays, practically everything having an IP address or URL is a playground for attack and abuse. Presence of any kind of loopholes or weaknesses in the system might later affect the enterprise in the form of loss of information, revenue, repute at the hands of the employees or outsiders of the Organization. I recently heard of a case when a customer had to go through a huge loss of data because of just one wrong click. We don’t want to face this in our application. There comes Security testing.
So, what is Security Testing?
It encompasses the whole series of testing activities which guarantee that the functionality of an application is properly and infallible. It ensures that applications are safe and free from vulnerabilities, threats, risks by focusing on the various layers of an information system across infrastructure, database, network and access channels like mobile.
Its primary aim is to evaluate all the security principles of application, i.e. confidentiality, integrity, authentication, authorization, availability and non-repudiation, so the system does not stop functioning or is exploited.
Focus areas to be considered:
Network Security: The network infrastructure (resources and policies) is looking for all kinds of vulnerabilities.- System software security: Assessing weaknesses in the various software (operating system, database system, and other software) on which the application depends.
- Client-side application security: Checking and ensuring that the client (browser or any such tool) cannot be manipulated.
- Server-side application security: It is made sure that the server code and its technologies are robust enough to fend off any intrusion.
Why is it Necessary?
All kinds of enterprises today, whether it be banking, insurance, retail or telecom, have already made their businesses directly accessible to their customers through web browsers to offer greater convenience and comfort. But along with the convenience offered by web applications, their pervasiveness makes them a popular attack target for cyber criminals. According to the '2018 Verizon Data Breach Report', the statistics related to data breach are alarming. The executive summary of the report articulates the issue perfectly in stating that “No organization is too large or too small to fall victim to a data breach. No industry vertical is immune to attack. Regardless of the type or amount of your organization’s data, there is someone out there who is trying to steal it”. It states that web applications are a popular attack target in confirmed data breaches, and it was also discovered that about half of web application-related breaches took several months or longer for security teams to discover.
Security holes in the system must be identified before attackers in early phases because greater damage could be done if the attacker has access to the system for a long time. Security vulnerabilities in each environment need to be uncovered to prevent and reduce security breaches. These vulnerabilities in the system can be discovered through security testing services process. Functional and performance testing are not enough to guarantee that the software is secure enough. It is the only way to identify many errors which were not identified while unit testing, code reviewing, security white box testing or issues with design and implementation phases. Even the software security issues resulting from an incorrect product builds are also uncovered through testing.
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In December 2018 more than 30 million O2 customers were left without Internet access after an internal update.
A tiny error at the UK telecommunications company caused a nationwide outage and disrupted electronic timetables at London bus stops.This error could’ve been easily avoided with some regression testing.Changes to the application code can introduce unintentional side effects called regressions.
Often, they can affect the app’s functionality or performance.Imagine changing a tire on your car making the steering much harder or breaking your air conditioner.Regression testing is, therefore, aimed at finding issues caused by changes to the code.
It is critical for the overall stability and performance of your app.In practice, this means re-running a select number of old test cases to verify that the new functionality doesn’t break old features (not to be confused with re-testing which is simply running the same tests for the second time after a bug fix to ensure the defect was indeed removed).Among the main benefits of regression testing are:Earlier detection of bugs caused by changes to the system.Focus on building new features instead of reworking old defects.Better UX without unintended side effects.Less unexpected risks.Improved system performance, etc.Now, how do you perform regression testing?
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