Searching for the latest news on Kim Kardashian-West, her sisters, or her response to Kanye West's Twitter rants, may leave your devices exposed to threats.
Craig David topped the list of most risky celebs past year, but Kim has claimed the top spot for 2018, McAfee tells the BBC.
McAfee measured how many search results featuring a celebrity name contain links to potentially malicious sites.
Singer Avril Lavigne took last year's top spot but fell to number 30 on this year's list.
Other celebrities on the United Kingdom list were actress Rose Byrne, Love Island contestant Kem Cetinay, Britney Spears, actress Emma Roberts and reality star Ferne McCann.
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The company said that the survey was undertaken to highlight the danger of clicking on "suspicious" links.
McAfee's chief scientist Raj Samani said it's down to the "fast-paced world that's heavily influenced by pop culture and social media". The actress was recently named as the most unsafe celebrity to "Google" or search for online.
Last year the list was topped by Avril Lavigne but this year there is some slightly good news for all those Lav-heads out there because she's dropped down to McAfee's number thirty most risky.
Alongside its list, the cybersecurity firm also published advice on how to stay safe online, urging the public to only stream video from reliable, paid-for sources and only clicking on news stories from sources the user trusts.
Along with watching what you click, McAfee also advises internet users keep their devices and software up to date with patches and use parental control software to protect kids.