Internal Security·Legal Precedents

Basics of Cyber Security — Legal Precedents

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Version 1Updated 7 Mar 2026

Legal Precedents

Shreya Singhal v. Union of India

2015

This landmark judgment by the Supreme Court struck down Section 66A of the Information Technology Act, 2000, which criminalized offensive online speech. The Court held that…

Justice K.S. Puttaswamy (Retd.) v. Union of India

2017

This nine-judge bench decision of the Supreme Court unanimously affirmed that the right to privacy is a fundamental right under Article 21 of the Constitution of India. The…

State of Tamil Nadu v. Suhas Katti

2004

This was one of the first cases in India where a conviction was secured under the Information Technology Act, 2000, specifically for online harassment and defamation. The case…

Union of India v. V. Sriharan @ Murugan and Ors.

2016

While not directly a cyber security case, this judgment, often referred to as the 'Rajiv Gandhi Assassination Case', touched upon the admissibility of electronic evidence. The…

Facebook Inc. v. Union of India

2020

This case involved the Supreme Court's consideration of the transfer of cases related to linking Aadhaar with social media accounts from various High Courts to itself. While the…

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