Cybersecurity firm Kaspersky has defended its decision to automatically replace its antivirus software on U.S. customers' computers with UltraAV, a product from American company Pango, without explicit user consent. The forced switch, affecting nearly one million users, occurred as a result of a U.S. government ban on Kaspersky software. Kaspersky spokesperson Francesco Tius told TechCrunch that the company informed eligible U.S. customers via email about the migration, which began in early September. Windows users experienced an automatic transition to ensure continuous protection, while Mac and mobile users were instructed to manually install UltraAV. Some customers expressed alarm at the unannounced software swap. Kaspersky blamed missed notifications on unregistered email addresses, directing users to in-app messages and an online FAQ. The abrupt change raises concerns about user autonomy and privacy in software updates, particularly as UltraAV lacks an established security track record.

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