Kaspersky Protection 2021 by Kaspersky

4.6 Stars out of 5

Kaspersky Protection 2021 version history - 25 versions

Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.
Latest version
Version 2.13.33.2
Released Sep 17, 2025 - 315.61 KB
Works with firefox 58.0 and later
Source code released under All Rights Reserved
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Older versions
Version 2.12.120.1
Released Apr 10, 2025 - 314.3 KB
Works with firefox 58.0 and later
Source code released under All Rights Reserved
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Version 2.11.123.1
Released Nov 12, 2024 - 338.95 KB
Works with firefox 58.0 and later
Source code released under All Rights Reserved
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Version 2.10.9.1
Released May 16, 2024 - 329.42 KB
Works with firefox 48.0 and later
Source code released under All Rights Reserved
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Version 2.9.34.35
Released Apr 10, 2024 - 328.53 KB
Works with firefox 48.0 and later
Source code released under All Rights Reserved
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Version 2.8.30.0
Released Jan 25, 2024 - 304.49 KB
Works with firefox 48.0 and later
Source code released under All Rights Reserved
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Version 2.6.68.0
Released Aug 25, 2023 - 248 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 2.5.32.0
Released Jun 9, 2023 - 243.78 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 2.4.33.0
Released Apr 18, 2023 - 243.33 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 2.3.16.0
Released Dec 23, 2022 - 242.24 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 2.2.56.0
Released Nov 23, 2022 - 241.67 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 2.1.42.0
Released Aug 1, 2022 - 245.2 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 2.0.162.0
Released May 13, 2022 - 244.06 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.8.42.0
Released Dec 22, 2021 - 213.08 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.7.88.0
Released Sep 14, 2021 - 206.84 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.6.9.0
Released May 17, 2021 - 178.05 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.5.13.0
Released Apr 15, 2021 - 176.68 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.4.27.0
Released Feb 19, 2021 - 173.44 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.3.8.0
Released Dec 15, 2020 - 172.61 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.2.34.0
Released Dec 7, 2020 - 172.51 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.2.32.0
Released Nov 20, 2020 - 172.5 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.1.35.0
Released Oct 13, 2020 - 172.35 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.0.7.0
Released Jul 4, 2020 - 170.65 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 1.0.6.0
Released Jul 3, 2020 - 158.56 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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Version 0.0.262.3
Released Jul 2, 2020 - 158.57 KB
Works with firefox 48.0 and later, android 48.0 to 68.*
Source code released under All Rights Reserved
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