Advertising is a key driver of revenue for many online platforms. However, it has also become a lucrative target for cybercriminals who exploit ad networks to distribute malicious software, a practice known as malvertising. The National Cyber Security Centre (NCSC) has been at the forefront of combating this growing threat, providing crucial guidance to help brands and advertising partners safeguard their campaigns and protect users.
What is Malvertising?
Malvertising refers to the use of online advertisements to spread malware. Unlike traditional phishing attacks, which typically rely on deceiving the user into clicking a malicious link, malvertising can compromise users simply by visiting a site where a malicious ad is displayed. This can lead to a range of cyber threats, including ransomware, data breaches, and financial theft.
The Scope of the Problem
The prevalence of malvertising is alarming. Cybercriminals leverage the vast reach of digital ads to target a large number of victims, often without their knowledge. According to NCSC, the complexity of the advertising ecosystem, which involves mu
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