Definition
Malicious active content is executable code integrated into software apps, emails, or web pages designed to execute harmful actions. It includes applets, scripts, or other software components that damage information, steal data, compromise security, or disrupt normal network or device performance.
Malicious Active Content Examples
- JavaScript: It is important for most engaging site functionalities. However, unscrupulous actors may develop it harmfully to install malware, divert users to fake sites, or steal information.
- Email links and attachments: Email may include malicious active content in embedded links or attachments.
- Browser extensions and plugins: Dangerous browser extensions or plugins carry out unauthorized tasks, such as redirecting browser sessions, displaying unwanted ads, and monitoring user behavior.
- XSS (Cross-site scripting): A web security flaw that enables hackers to inject malware scripts into websites to steal personal information.
- Drive-by downloads: These downloads hide in malicious sites and take advantage of flaws to install themselves on users’ devices or systems without their approval.
- Documents with macro viruses: Office documents may include macro programs utilized to automate tasks. Malicious macros run destructive code upon launching the document.
- Mobile code: Harmful active content can operate on mobile apps, executing malicious actions on tablets or smartphones.
