Spyware Uncovered: Understanding Types and Best Prevention Practice

Understanding Types and Best Prevention Practice

Discover the best spyware prevention practices to keep your system safe.

In today’s digital era, spyware has emerged as a persistent and ever-evolving threat to the security and privacy of our devices. With our growing dependence on technology, the risk of becoming a victim of spyware attacks has significantly increased.

Spyware refers to a type of malicious program or software that can be secretly installed on a computer or device without the user’s consent. It infiltrates the device, collects personal and sensitive data, such as your passwords, internet usage or even browsing history, and sends it to third-party entities such as data firms, advertisers or external users.

The term spyware was coined in October 1996 on Usenet, a popular online discussion forum at the time. It was not until 1999 that the term gained mainstream attention, as more and more people became aware of the risks posed by this type of software. In response, the first anti-spyware application was released in 2000, which helped users detect and remove spyware from their computers.

Despite these efforts, attackers have continued to develop more sophisticated spyware and other types of malware to gain access to our personal information. Recently, computer scientists from New York and San Diego conducted a study that shed light on the alarming security risks associated with popular smartphone spyware apps. The study focused on 14 leading spyware apps for Android phones, which are not sold on Google’s app store but can be downloaded online on Android phones. The study found that these apps are difficult to detect and remove and have poor security measures, making them prone to leaking sensitive personal information.

However, there’s no need to panic. We’ve put together a list of essential tips to help you prevent spyware from infiltrating your devices. By following these measures, you can reduce the risk of malicious programs infecting your devices and keep your data safe from prying eyes. 

Common types of spyware

Before we dive into prevention tips, it’s important to understand the various types of spyware that can infect your devices. Here are some of the most common types of spyware you should be aware of:


Have you ever noticed an influx of annoying pop-up ads on your computer screen that slowed down its performance? If so, you may have fallen victim to adware. Adware is a type of software that displays unwanted pop-up ads on your device and is often bundled with free software downloads It can find its way onto your device by installing free programs or exploiting vulnerabilities in your software or operating system.


A keylogger is a sneaky spyware that records everything you type on your computer or device. Hackers can use it to steal private information, like your passwords and credit card details. The recorded data is sent to a server where cybercriminals can exploit them.


Stalkerware is a form of spyware that enables someone to monitor another’s device without their knowledge. It is frequently utilized by abusers and malicious actors to access victims’ personal data and track their movements. It can infiltrate a device through various means such as phishing emails, fake app downloads or physical access. Once installed, it enables the attacker to perform several activities on the target’s device.


Imagine you receive an email with a link to a file that appears to be from a legitimate source. You click the link and download the file, but you don’t realize that you’ve just fallen victim to a Trojan. Trojans are malicious software programs that trick users into installing them. 

Once installed, the Trojan gains access to the computer and can carry out various harmful actions, such as encrypting data for ransom, deleting your files or enabling unauthorized access to the user’s information by other malicious actors.

Browser hijacker

Have you ever experienced your web browser behaving strangely, like suddenly redirecting you to unfamiliar websites or changing your homepage without your consent? If so, you might have become the target of a browser hijacker.

A browser hijacker is often presented as a web browser add-on. It can alter your browser settings, redirecting you to undesired websites. In addition to these unwanted changes, they can also capture sensitive personal data for financial gain.

Best Practices for Preventing Spyware 

If you’re worried about a potential spyware attack on your computer, there are various proactive measures you can take to safeguard your system and personal information. In this section, we’ll delve into some effective prevention strategies.

Secure your systems

Organizations must prioritize the safety and security of their computer systems and mobile devices by using appropriate security software. This involves installing reliable antispyware or antimalware software on every company-provided device, such as computers and phones. In addition, organizations should enforce policies and teach safe digital behavior that limits the installation of browser extensions and apps by employees to minimize potential security risks.

Some of the top anti-spyware programs include Malwarebytes, which is available as a paid and free option. Other recommended options include the free programs Bitdefender Antivirus and Avira Free Security Suite.

Exercise caution with cookies

Cookies are small text files that websites store on your device to remember your preferences and browsing behavior. They can include information such as your login details, search queries and shopping cart contents. It’s important to exercise caution when consenting to cookies to protect yourself against spyware. 

With General Data Protection Regulation (GDPR) compliance becoming more prevalent online, many websites ask for your permission before creating cookies. It’s best to only accept cookies from sites you trust and only if you genuinely want the personalized experience they offer. This way, you can reduce the risk of being tracked and keep your online activities private.

Consider browser sandboxing

Sandboxing is a security mechanism that creates a secure virtual environment for testing harmful code or running third-party software without risking your system’s data. It prevents damage to existing files and resources if you download a malicious attachment.

Browser Sandboxing shields browsing activity and hardware from security threats using two techniques: local and remote isolation. Local isolation creates virtual browsers on your device which helps to contain any security breaches, so they can’t affect your system. Remote isolation runs the browser on a cloud-based server to protect the user’s local system and evaluate risks on the remote server. Popular browsers like Chrome, Firefox and Edge now have built-in sandboxes. These browsers are designed to operate in their own sandboxes without requiring any manual configuration from the user.

Malicious software downloaded from a website is contained within the browser’s sandbox, preventing it from affecting your system. When the sandbox is closed, everything within it, including the harmful code, is automatically deleted, providing an additional layer of protection.

Read the license agreement

Before installing any software, it is highly recommended that you carefully read the end user license agreement to fully understand the terms and conditions of using the software. This will help you avoid any unforeseen consequences, such as unwanted adware or malware

If you have doubts or suspicions about the software, it is better to err on the side of caution and not install it. 

By implementing the measures outlined in this comprehensive guide, such as using anti-spyware software, practicing safe browsing habits and being cautious when downloading software, you can effectively protect yourself against spyware attacks. Remember that prevention is always better than cure and taking proactive steps to safeguard your computer can save you a lot of trouble and expense in the long run.

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