The Biden administration has announced a ban on the sale of antivirus software from Russia's Kaspersky Lab in the U.S., citing national security risks due to the company's ties with Russia. Concerns include the potential for bad actors to exploit Kaspersky's software to install malicious software and withhold critical updates. Kaspersky denies these allegations, stating that it cannot access sensitive data on Americans and operates independently from the Russian government. The ban means that Kaspersky products will no longer be sold or licensed in the U.S. after July 20, with existing customers needing to find alternatives by September 29. While some Kaspersky products have been exempted from the ban, users are advised to look for alternative antivirus options to protect against malware and phishing scams. The decision highlights concerns about cybersecurity and national security, leaving a gap in the market for competitors to fill.