Adware is a type of software that displays unwanted advertisements on the user's computer, often bundled with other programs or downloaded without the user's knowledge.

What is adware?

Adware (abbreviation for advertising-supported software) is a type of software that automatically displays or downloads advertisements – usually without the user's consent. It often comes bundled with free applications or sneaks into systems via unsafe websites. While not always malicious, adware can slow down devices, disrupt work, and in some cases, expose users to more serious security threats.

How adware appears in practice

Examples of common situations:

• New browser toolbars or unexpected ads appear after installing unfamiliar software.
• Pop-up windows show up even outside the browser.
• Clicking a regular link redirects you to a suspicious website.
• The computer slows down or network traffic increases unexpectedly.
• The homepage or default search engine changes without user approval.

While adware may seem like a minor nuisance, it can have serious consequences in a business environment. It reduces productivity, may track user behavior, and can even open the door to more serious cybersecurity threats.

How adware and other threats?

• Adware: Displays ads and gathers user data; not always directly harmful to the device.
• Spyware: Secretly monitors user activity and sends data to attackers, usually without visible signs.
• Malware: A broad category of malicious software, which includes both adware and spyware.

These distinctions matter when it comes to detection and protection. Adware is often dismissed as “harmless,” but in a corporate network, it can be the first step toward a more severe attack.

How to protect your business from adware in a company

Recommended steps:

1. Train employees to be cautious when installing unfamiliar software.
2. Use antivirus and security tools with adware detection.
3. Regularly review installed programs and browser extensions.
4. Restrict user privileges to prevent unauthorized software installations.
5. Monitor for unusual network activity and system slowdowns.

Why it matters:
Many businesses underestimate adware as a minor inconvenience. In reality, it threatens the confidentiality of company data, disrupts employee productivity, and can serve as a gateway to further attacks. Early detection and removal are key components of good cybersecurity hygiene.