Cyber-attack doesn’t need much introduction. This is the one-act, which is most hated by everybody, be it an individual or an organization, across the world. Because, the magnitude of the havoc caused by some of the cyber-attacks such as WannaCry, NotPetya, Capitol One breach, Citrix breach, and Ethereum, etc. is still in the memory of many people. If one thinks cyber-attacks are not frequent then it is a wrong notion. The truth is they occur almost every day in some parts of the world.
In simple terms, a cyber-attack can be termed as a malicious attempt to break into the other systems to make them non-functional, steal data, or to do some other heinous crime. Many a time, the willful intention behind a cyber-attack is to demand ransom from the victims. Though there are constant attempts to contain the cyber-attacks, the attackers always use innovative methods or types to intrude into the other computer systems and to hack them.
The following are some of the cyber-attacks, which hackers use to target the victims.
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Phishing is one of the common forms of cybercrime launched to attack the targets. Using this method, the hackers send malicious emails to the targets. These emails give the impression that they are sent from a known person or some trusted source. In some cases, these phishing emails contain even attachments to dupe the recipient. In other words, these phishing emails are sent in such a way that they look legitimate in every aspect. If clicked, the targets fall prey to the hackers’ trap and with whatever intention the hacker sent that email it will be achieved instantly.
However, there are a few methods using which you can try to prevent or get yourself protected from phishing emails.
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Malware is the short form for malicious software, which is used to damage other computer systems. Some of the examples of malware are ransomware, viruses, worms, and spyware, etc. The malware will be installed in the system when you click a risky link or open an attachment. Once the malware is installed in your system, it wreaks havoc. You cannot have access to the key components of the network. Your data from the hard drive will be stolen. You cannot operate your system. Viruses such as Micro Virus infect important applications such as Microsoft Word or Microsoft Excel and make them non-functional.
Denial of Service or DoS is a kind of cyber-attack that floods a website or an application with artificial traffic more than the volume it can handle. Once this attack is launched, the website or the application won’t be accessible to legitimate users. The reasons for this kind of attack may be multiple. It may be to extort money from the victims. It may be by somebody or a criminal organization to make a statement. It also may be to disrupt competitors’ business. There is a possibility that it may be to seek revenge. The reason can be anything.
There are different types of denial-of-service attacks. Some of them include the following:
Let us now discuss the methods to prevent denial of service.
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SQL Injection is one of the most potential attacks, which will be highly detrimental to businesses. Through SQL injection, the cyber-criminals target the databases and resort to crimes such as deleting data, corrupting data, modifying data, stealing data, and bypassing authentication, etc.
Some of the types of SQL Injection attacks are:
In this attack, the hackers won’t look for an action from the user to install the malware in their systems. Instead, they add the malicious code in the HTTP or PHP code on a page of the website or web application. What happens now is – when somebody visits that page containing malicious code, the malware gets installed in that visitor’s system. Websites or applications, which are not secured, are the primary targets in this kind of attack.
This is one of the common methods of the illegitimate way of accessing other systems in a network. As part of launching this attack, the hackers steal the passwords from a person’s desk or sniff the connection between a system and a network. The hackers also use the Brute force method to guess the passwords randomly. In order to guess a password, they try using the target’s details such as name, occupation, and job title, etc. Another method the hackers use to obtain passwords is the Dictionary attack. In the dictionary attack, the hackers use an encrypted password and apply the same encryption to a dictionary of passwords that are used commonly and then check the results.
The following are some of the methods using which you can try to prevent password attacks:
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This is a kind of attack in which the hacker makes himself positioned between the user and the application during the interaction. This attack is done with the aim to steal information such as login credentials, credit card details, or account details, etc. from the users of financial applications, websites, and eCommerce portals, etc.
The following are some of the methods using which you can try to prevent MITM attacks:
The EavesDropping attack is launched to steal the information transmitted over a network or any other connected device. It is very difficult to identify this attack because even during this attack the network appears to function very normally. To launch this attack, the hacker installs a sniffer in a system or the server. Once installed, the sniffer intercepts the transmitted data.
The following are some of the methods using which you can try to prevent Eavesdropping attacks:
The following are some of the methods using which you can try to prevent XSS attacks:
Sandeep is working as a Senior Content Contributor for Mindmajix, one of the world’s leading online learning platforms. With over 5 years of experience in the technology industry, he holds expertise in writing articles on various technologies including AEM, Oracle SOA, Linux, Cybersecurity, and Kubernetes. Follow him on LinkedIn and Twitter.