We know from your emails that many of you have switched to new security software in the past few months. Some have uninstalled Russian antivirus Kaspersky as a moral response to Russia's invasion of Ukraine. It remains safe for individuals to use, according to Ian Levy, technical director of the UK's National Cyber Security Centre - though he said that people may need to switch if Kaspersky "becomes subject to sanctions, since the AV product would likely stop getting updates".
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