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THE LEGALITIES OF COLLECTING AND STORING CUSTOMER DATA

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This Article is written by Pritam Chandra Ashutosh, Narayan School of Law/Gopal Narayan Singh University (GNSU), an intern under Legal Vidhiya.

ABSTRACT

 This article examines the legal framework governing the collection and storage of customer (personal) data. It surveys the evolution of privacy and data protection law, defining key concepts and the legal significance of customer data. We compare India’s new Digital Personal Data Protection Act, 2023 (“DPDP Act”) with the EU’s General Data Protection Regulation (GDPR) and California’s Consumer Privacy Act (CCPA/CPRA). Core principles – including consent and lawful basis for processing, data minimization, security and accountability, and cross-border transfers – are discussed in detail. The analysis incorporates examples of major companies (e.g. Facebook/Instagram, Google, Amazon) that collect large volumes of customer data, and highlights relevant enforcement actions and case law. By providing a comprehensive legal overview, this article shows how data-protection regimes converge on protecting individual privacy while balancing business and government interests.

KEYWORDS

Customer Data, Data Privacy, Data Protection Law, GDPR, CCPA, CPRA, DPDP Act 2023, Puttaswamy Judgement, Meta GDPR Fine.

INTRODUCTION

“Customer data” generally means information collected about individuals in a commercial context – often personal data identifying or describing a customer. In practice, customer data includes anything from names, contact details and purchase history to online identifiers, profile attributes, location data, and even sensitive details like health or financial information. Because customer data often includes personal data, businesses must comply with privacy and data-protection laws. Protecting this data is legally significant: it safeguards fundamental privacy rights and consumer trust, mitigates identity-theft risks, and ensures accountability for data breaches. A landmark Indian Supreme Court decision, K.S. Puttaswamy v. Union of India (2017), held that informational privacy is a fundamental right. Globally, nations have adopted data protection laws in response to concerns over surveillance, hacking, and misuse by large corporations. At the same time, modern businesses rely on customer data for targeted marketing and personalized services. Thus, regulatory frameworks aim to balance individuals’ privacy rights against legitimate business uses of data.[1]

Early privacy concerns trace back to Warren and Brandeis’s 1890 “right to be left alone.” After World War II, Article 12 of the Universal Declaration of Human Rights (1948) recognized privacy as a fundamental right. By 1980 the OECD Guidelines on the Protection of Privacy set baseline principles for fair data processing. Europe led formal regulation: the Council of Europe’s Data Protection Convention (1981) and the EU’s 1995 Data Protection Directive. In the U.S., privacy developed sector ally (e.g. HIPAA for health, GLBA for financial data). The rise of the Internet and digital tracking prompted stricter laws. The EU adopted the General Data Protection Regulation (GDPR) in 2016 (effective 2018), setting a high global standard. In 2018 the U.S. state of California enacted the CCPA (effective 2020), soon strengthened by the California Privacy Rights Act (CPRA) in 2023.[2] In India, the 2017 Puttaswamy case compelled enactment of comprehensive data protection, culminating in the Digital Personal Data Protection Act, 2023. This historical evolution reflects growing international consensus on core privacy principles.

GLOBAL DATA PROTECTION FRAMEWORKS: INDIA, EU, AND CALIFORNIA

August 2023, the Indian Parliament passed the Digital Personal Data Protection Act, 2023 — the country’s first comprehensive privacy legislation applicable across all sectors. “It has broad extraterritorial effect: It applies to any entity located outside India if it processes the personal data of individuals in India in connection with offering goods or services within the country.[3]

The Act’s scope is narrower than GDPR: it applies only to digital data (information collected in digital form), and excludes data that has been made public by law. Notably, unlike GDPR the DPDP Act does not recognize non-consensual lawful bases such as contractual necessity or “legitimate interests.” Instead, private data fiduciaries may process personal data only if the data principal (the individual) has given free, specific, informed consent, or the processing qualifies as a narrow “legitimate use” defined in the Act. Examples of legitimate uses include voluntarily shared data (with no objection), legal compliance, employment purposes, or emergency situations. Under the DPDP Act, consent must be ‘free, specific, informed, unconditional, and unambiguous,’ aligning closely with the standards set by the GDPR If consent was obtained and later a data element is found unnecessary for the stated purpose, that consent is considered invalid.

The Act grants individuals’ rights akin to those in GDPR: right of access, correction, erasure (withdrawal of consent) and data portability. It also introduces new rights: for example, a right to a grievance redressal officer and the right to nominate someone to exercise rights after one’s death. In the event of a data breach, fiduciaries must notify the Data Protection Board and affected individuals, without requiring any specific harm threshold or deadlines. The government can designate certain firms as “Significant Data Fiduciaries” (based on scale, sensitivity, or impact); such firms face extra obligations, including appointment of an independent data protection auditor and conducting periodic impact assessments.

“The DPDP Act prescribes penalties for violations that can reach up to 2% of a company’s global annual turnover or ₹250 crore (around €28 million), whichever is higher. “Unlike GDPR’s higher ceiling (4% or €20M), India’s fines are more modest, but still substantial. A Data Protection Board (a new regulator) will oversee enforcement, issue guidelines, and adjudicate disputes. The Board will have powers to investigate breaches, levy fines, and require remedial actions, though it will not have broad rulemaking authority. Importantly, the DPDP Act does not create a private right of action (in contrast to some state laws like CCPA).[4]

EU GENERAL DATA PROTECTION REGULATION (GDPR)

The GDPR is an EU regulation (2016/679) that took effect in May 2018. It applies to all organizations processing the personal data of EU residents, regardless of where the organization is based. GDPR defines personal data broadly (any information relating to an identifiable natural person), and special rules apply to “sensitive” categories (health, race, etc.) The Act grants robust rights to data subjects—such as access, correction, erasure, data portability, restriction of processing, and objection—while also establishing clear principles for data processing. It outlines key responsibilities, including the need for a lawful basis for processing (such as consent, contractual necessity, legal obligation, vital interests, public interest, or legitimate interests), transparency through privacy notices, implementation of data protection by design and by default, appointment of Data Protection Officers where necessary, and mandatory breach notification within 72 hours.[5]

GDPR places strict requirements on consent: it must be freely given, specific, informed, and unambiguous. Recital 32 emphasizes consent via an affirmative act (no pre-ticked boxes). The regulation also enshrines data minimization and purpose limitation: personal data must be “adequate, relevant and limited to what is necessary” for the stated purpose. Controllers must implement appropriate security measures and are accountable for demonstrating compliance.[6]

The GDPR enforces strict penalties for non-compliance—up to €20 million or 4% of global annual turnover, whichever is higher—and grants national Data Protection Authorities (DPAs) the authority to enforce these rules. It also severely restricts transfers of personal data outside the EU: transfers are allowed only if the destination country ensures an “adequate” level of protection or via approved safeguards (e.g. Standard Contractual Clauses), and as of Schrems II (CJEU 2020) extra scrutiny is required for U.S. transfers. The GDPR set a global benchmark, and many jurisdictions (including India) drew inspiration from it.[7]

CALIFORNIA CONSUMER PRIVACY ACT (CCPA) AND CALIFORNIA PRIVACY RIGHTS ACT (CPRA)

California enacted the CCPA in 2018 (effective 2020) and later the CPRA (amendment in 2020, effective 2023). These laws apply to businesses that collect data on California residents and meet specific criteria, such as having annual gross revenues exceeding $25 million or handling the personal data of more than 50,000 consumers. The CCPA/CPRA focus on transparency and consumer control. They grant California residents the right to know what personal data is collected about them, the purposes for which it is used, and with whom it is shared. Consumers are entitled to request the deletion of their personal data and to opt out of the “sale” of their personal information. The CPRA added rights to correct inaccuracies and to limit the use of sensitive personal information (e.g. precise geo-location, race, health).[8]

CCPA/CPRA do not impose affirmative consent requirements on most processing (unlike GDPR); instead, businesses must provide notices and an opt-out for sales. Notably, the CPRA bans many uses of sensitive data without additional consent. California law also forbids discrimination (e.g. service denial) against consumers exercising these rights. Enforcement is by the California Attorney General (and a new California Privacy Protection Agency under CPRA); there is a limited private right of action for certain data breaches (not general infringements). Statutory penalties range up to $7,500 per intentional violation. Despite its state scope, the California law influences many U.S. and international companies, given California’s market size.[9]

COMPARATIVE HIGHLIGHTS

Although DPDP, GDPR, and CCPA/CPRA all aim to protect personal data, they differ in approach:

KEY PRINCIPLES OF DATA PROTECTION

Though jurisdictions vary, they share core principles governing customer data:

INDUSTRY EXAMPLES AND ENFORCEMENT

CASE LAW AND ENFORCEMENT ACTIONS

Data protection laws are enforced through regulatory actions and court decisions worldwide. Notable examples include:

These examples show that courts and regulators are actively shaping data privacy law. Penalties for violations are steep: the GDPR record fine was €746M (Amazon) and $5B (Facebook), indicating that enforcement has “teeth”. Regulators worldwide (EU DPAs, UK ICO, US FTC, Indian authorities, etc.) monitor companies’ data-handling practices and can impose sanctions, require changes, or even ban certain processing.

CONCLUSION

While the collection and storage of customer data offer significant business benefits, they also come with critical legal responsibilities. Across various legal systems, data protection laws share core principles: individuals’ rights and consent must be respected, data must be collected minimally and secured properly, and organizations must be held accountable for their handling of personal information. At the same time, frameworks like the GDPR and CCPA/CPRA continue to evolve in response to emerging technologies like artificial intelligence and the Internet of Things, as well as ongoing enforcement challenges.

For legal professionals and students alike, mastering the fundamentals of data protection is essential. Any organization handling personal data must implement well-structured policies and systems to ensure compliance with requirements around consent, data minimization, and security. They must also remain alert to restrictions on cross-border data transfers and jurisdiction-specific nuances, such as the CCPA’s right to opt out of data sales. High-profile enforcement cases involving companies like Meta and Google illustrate that even the largest corporations are not immune from penalties or reputational harm. As data becomes the backbone of the digital economy, strong legal compliance is no longer optional—it is central to building and maintaining customer trust.


[1] K.S. Puttaswamy & Anr. v. Union of India & Ors., (2017) 10 SCC 1 (India).

[2] Carpenter v. United States, 138 S. Ct. 2206 (2018); Riley v. California, 573 U.S. 373 (2014).

[3] Digital Personal Data Protection Act, No. 22, Acts of Parliament (2023) (India).

[4] Bhatia, Sunir K., Understanding India’s New Data Protection Law, Carnegie Endowment (Oct. 13, 2023).

[5] General Data Protection Regulation, Reg. (EU) 2016/679, art. 5, 6, 2016 O.J. (L 119) 1 (EU).

[6] Google Spain SL v. AEPD & M. Costeja González, Case C-131/12, 2014 E.C.R. I-0000 (CJEU 2014).

[7] Maximillian Schrems v. Data Prot. Comm’r, Case C-362/14, 2015 E.C.R. I-0000 (CJEU 2015); id., Case C-311/18, 2020 E.C.R. I-0000 (CJEU 2020).

[8] California Consumer Privacy Act of 2018, Cal. Civ. Code §§ 1798.100–.199 (West 2020).

[9] California Privacy Rights Act, Prop. 24 (Cal. 2020) (amending Cal. Civ. Code §§ 1798.100–.199).

[10] Jaffer, Russell S., & Vijayaraghavan, Vikram, India’s Digital Personal Data Protection Act 2023 vs. GDPR: A Comparison, Latham & Watkins (Dec. 2023).

[11] Prabhu, Arun et al., Comparing Global Privacy Regimes Under GDPR, DPDPA and US Data Protection Laws, India Corp. L. Blog (Jan. 9, 2024).

[12] EDPB Press Release: €1.2B Fine on Facebook (Meta), European Data Protection Board (May 22, 2023)

[13] CNIL Imposes €50 Million Sanction on Google, Commission Nationale de l’Informatique et des Libertés (Jan. 21, 2019).

[14] Data Protection Commission Issues €746M Fine on Amazon, Data Protection Commission (Lux.) (Mar. 19, 2025).

[15] FTC v. Wyndham Worldwide Corp., 799 F.3d 236 (3d Cir. 2015).

[16] K.S. Puttaswamy & Anr. v. Union of India & Ors., (2017) 10 SCC 1 (India).

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