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Alarming cyber-security threats

Do you know in today’s world even the simple of the simplest things can be hacked? It can be a smart phone or a gaming console or even the system of a car because we are in the era of IOT or internet of things where every device is connected with one another through cloud which makes it possible to store and crack data by anywhere anytime. To protect our system, network and data from cyber-attack technologies are designed which are known as cyber security. So what kind of attacks are these? Let’s check out some of them.
    • Phishing: This happens when the attacker wants you to install malware or send confidential information. Phishing tactics are done by pretending to be someone and gets all your information. In a phishing attack, an attacker sends you an email attachment or a link which you need to open by clicking which looks like it is from someone you trust, like your boss or a company you do business with.

      The email looks very legal and authentic. Once you open the malicious attachment, the malware will be installed in your computer even without your knowledge. If you click the link, you may be redirected to a normal looking website that asks for you to log in to access an important file.
    • SQL Injection Attack: SQL or structured query language is a programming language used to communicate with databases. Most of the servers use SQL to store critical data and manage the data in their databases. A SQL injection attack specifically targets this kind of server.

      It uses malicious code to crack the server and derive all confidential information from the database. Basically it is used to get stored private information of customer from the server such as credit card numbers, bank information, usernames and passwords. 
    • Cross-Site Scripting: During a SQL injection attack, a vulnerable website is targeted for getting stored data such as user credentials or financial data. But if the attacker would rather directly target a website’s users, they may use cross-site scripting attack which is almost like SQL injection attack. Even in here, malicious code is injected into a website, but the website itself doesn’t get attacked. Instead, the malicious code only runs in the user’s browser when they visit the attacked website and it goes after the visitor directly. One of the most common ways of a cross-site scripting attack is by injecting malicious code into a comment or a script that could automatically run.
    • Malware: It is one of the most popular ones. Remember if malware is in your computer, it can create havoc, starting from taking control of your system, to monitoring your actions and sending all sorts of confidential data from your computer or network to the attacker’s home base, and you will not even know it.

      How to understand a malware?  If you’ve seen an antivirus alert pop up on your screen or asking you to click it, or if you’ve mistakenly clicked a malicious email attachment, then that is it.Always attackers try a number of methods to get malware into your computer, but sometimes it lies even in the hands of the user. Like at some stage it requires the user to install the malware. For that it includes clicking a link to download a file or opening any email attachment that may looks like a normal email.
    • Credential Reuse: In today’s world, users keep a number of login id and passwords almost everywhere. Cyber-security experts usually recommends users to have unique passwords for all applications and websites but many people still reuse their passwords. Now these kind of users becomes an easy target for attackers. Once attackers have a collection of usernames and passwords from a breached website or service, they understand that by using the same credentials of a particular user on other websites, there’s a chance they’ll be able to log in.  It is true that by using the same credentials for email, bank account or any private confidential site, it is easier to remember them but it is like giving a chance to hackers, giving the, easy access to your email and bank account. So when it comes to credentials, variety is essential.
    • Session Hijacking: When you’re on the internet, you may definitely open a number of sites at the same time, your system may exchange a number of small back-and-forth transactions with servers around the world through which another person on another server may know who you are and requesting specific websites or services.

      In return, your request may get accepted by the web servers by providing you the information you’re accessing. This process happens while you are simply browsing or when you are logging into a website with your username and password.  A unique session ID is given to the session between your computer and the remote web server, which remains private but here, an attacker can hijack the session ID and posing as the computer making a request, which makes them to log in as an unsuspecting user and gain access to unauthorized information on the web server.
    • Denial of service: If a website is flooded with more traffic than it was originally built to handle, the website’s server will get overload which will result in visitors’ access restriction to the website.For example, a newspaper’s website getting overloaded with traffic if there is a big headline. But sometimes, this kind of traffic overload is malicious, as because an attacker floods a website with a huge amount of traffic to shut down its cyber-security for all users.
    • Social media threats: Cyber-security threats have become a common factor among corporate since hackers mostly target corporate social media accounts to crack passwords that might be shared between the social media site and the corporate network. Now a day the worst hacks started out as simple social media hacking.

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