Can Employers Blacklist Employees Under The GDPR And The…

Prepared by Shubhank Suman, AI, Privacy & IP Counsel

“Blacklisting” refers to the systematic recording, classification or communication of adverse information about an employee for the purpose or of restricting that individual’s access to employment. It can range from an internal “not eligible for rehire” classification to group-wide restrictions, negative employment references and industry-level warning databases.

Situation	GDPR	DPDP Act	When not applicable
Internal rehire-risk record Organisation maintains a list blocking negative candidates (Blacklist) from future opportunities.	Article 6(1)(f): Legitimate interest. May cover a limited record of established serious misconduct where it is necessary and proportionate (LIA) Article 5 requires fairness, accuracy, minimisation and limited retention.	Section 7(i): Certain legitimate use. May cover processing genuinely required for employment or to safeguard the employer from loss or liability. Section 8(3) requires completeness, accuracy and consistency when the record affects the Data Principal.	Not applicable where the employer cannot demonstrate that its legitimate interest outweighs the individual’s rights and interests, particularly where the record is based on minor, disputed or unproven conduct, such as failure to complete the notice period, ordinary poor performance, etc.
Sharing Blacklist with group companies, recruiters or other employers	Article 6: Each disclosure and subsequent use require a separate lawful basis. The original employer’s Article 6(1)(f) interest does not automatically extend to another controller.	Sections 4 and 7(i): The disclosure requires its own lawful ground. Section 7(i) protects the employer and does not generally authorise sharing to protect other Data Fiduciaries. Section 8(3) applies to the accuracy of disclosed data.	section 7(i) permits processing for employment purposes and for safeguarding the employer from loss or liability. This may authorise proportionate internal processing connected with a genuine risk to the employer. However, the provision does not create a general authority to share former-employee information with other Data Fiduciaries or operate a common employment blacklist.
Blacklisting clause in an employment agreement	Article 6(1)(b): Contractual necessity. The clause is valid as a processing ground only where the processing is objectively necessary to perform the contract. Merely mentioning blacklisting in the contract does not establish necessity.	Sections 4, 6 and 7: An agreement cannot create a new lawful ground or expand section 7(i). Any consent must be free, specific, informed, unconditional and unambiguous. Section 8(1) keeps the Data Fiduciary responsible for processing undertaken by it or on its behalf irrespective of any agreement.	A contractual clause cannot by itself authorise permanent blacklisting, automatic rejection or disclosure to unspecified employers. A notice-period clause may support a lawful claim, but not market-wide exclusion.

Situation

GDPR

DPDP Act

When not applicable

Internal rehire-risk record

Organisation maintains a list blocking negative candidates (Blacklist) from future opportunities.

Article 6(1)(f): Legitimate interest. May cover a limited record of established serious misconduct where it is necessary and proportionate (LIA) Article 5 requires fairness, accuracy, minimisation and limited retention.

Section 7(i): Certain legitimate use. May cover processing genuinely required for employment or to safeguard the employer from loss or liability. Section 8(3) requires completeness, accuracy and consistency when the record affects the Data Principal.

Not applicable where the employer cannot demonstrate that its legitimate interest outweighs the individual’s rights and interests, particularly where the record is based on minor, disputed or unproven conduct, such as failure to complete the notice period, ordinary poor performance, etc.

Sharing Blacklist with group companies, recruiters or other employers

Article 6: Each disclosure and subsequent use require a separate lawful basis. The original employer’s Article 6(1)(f) interest does not automatically extend to another controller.

Sections 4 and 7(i): The disclosure requires its own lawful ground. Section 7(i) protects the employer and does not generally authorise sharing to protect other Data Fiduciaries. Section 8(3) applies to the accuracy of disclosed data.

section 7(i) permits processing for employment purposes and for safeguarding the employer from loss or liability. This may authorise proportionate internal processing connected with a genuine risk to the employer. However, the provision does not create a general authority to share former-employee information with other Data Fiduciaries or operate a common employment blacklist.

Blacklisting clause in an employment agreement

Article 6(1)(b): Contractual necessity. The clause is valid as a processing ground only where the processing is objectively necessary to perform the contract. Merely mentioning blacklisting in the contract does not establish necessity.

Sections 4, 6 and 7: An agreement cannot create a new lawful ground or expand section 7(i). Any consent must be free, specific, informed, unconditional and unambiguous. Section 8(1) keeps the Data Fiduciary responsible for processing undertaken by it or on its behalf irrespective of any agreement.

A contractual clause cannot by itself authorise permanent blacklisting, automatic rejection or disclosure to unspecified employers. A notice-period clause may support a lawful claim, but not market-wide exclusion.

Neither the General Data Protection Regulation nor India’s Digital Personal Data Protection Act, 2023 expressly uses or defines the term “blacklist.” The legality of blacklisting must therefore be determined by applying the general rules governing lawful processing, purpose limitation, necessity, accuracy, retention, disclosure, security and individual rights.

Under the GDPR, contractual necessity will rarely justify post-employment blacklisting because inserting a blacklisting clause into an employment contract does not make the processing objectively necessary for contractual performance. A restricted internal rehire record may possibly be based on legitimate interests under Article 6(1)(f), but only where the employer identifies a lawful and specific interest, proves that the record is necessary, and establishes that the employee’s rights do not override that interest. A works agreement may regulate the processing but cannot replace these requirements.

Under the DPDP Act, section 7(i) permits processing for employment purposes and for safeguarding the employer from loss or liability. This may authorise proportionate internal processing connected with a genuine risk to the employer. However, the provision does not create a general authority to share former-employee information with other Data Fiduciaries or operate a common employment blacklist. Security safeguards regulate how authorised processing is protected. They do not expand the underlying statutory purpose.

The decisive distinction is therefore between an internal employment record used to protect the original employer and an external blacklist used to influence employment decisions by other organisations.

These activities must not be treated as one continuous and automatically lawful employment process. Recording an incident, retaining the record, attaching a rehire status, using the status in a later recruitment exercise and disclosing the status to another organisation are separate processing operations.

The original employer may have a lawful reason to document an employment incident. That does not automatically authorise indefinite retention, automatic future rejection or external disclosure. Each subsequent operation must remain connected with a lawful and sufficiently specific purpose.

The term “blacklist” is also functional rather than formal. A system does not cease to be a blacklist merely because it is called a “rehire register,” “negative reference database,” or “industry warning mechanism.” Its legal character depends on how the information is used and what consequence it produces.

III. The Principal Legal Issue

The central legal issue is whether an employer’s authority to process personal data for managing an employment relationship also authorises the employer to retain and use adverse information to restrict the employee’s future employment.

The answer depends on the distinction between:

1. processing required to administer or protect the original employment relationship; 2. processing used by the same employer to assess a future application; and 3. processing intended to influence recruitment decisions by other organisations.

The legal justification generally weakens as the processing moves away from the original employment relationship.

An internal record concerning an established fraud or confidentiality incident may serve the original employer’s risk-management purpose. Disclosure of the same record to another employer serves an additional purpose: influencing that employer’s recruitment decision. An industry blacklist goes further by converting one employer’s assessment into a continuing market-wide employment restriction.

Accordingly, the lawfulness of the original record cannot be treated as authority for every subsequent use.

IV. Can Blacklisting Be Justified As Necessary For The Employment Contract?

1. Meaning Of Contractual Necessity

Article 6(1)(b) of the GDPR permits processing where it is necessary for the performance of a contract with the data subject or for taking steps at the data subject’s request before entering into a contract.

The requirement is one of objective necessity. A processing activity does not become necessary merely because the employer inserts it into the employment contract. The European Data Protection Board has explained that the controller must examine whether the contract can be performed without the processing and whether realistic, less intrusive alternatives are available. Contractual provisions do not independently determine the scope of Article 6(1)(b).

Processing salary, attendance, leave, benefits and necessary separation information may be objectively connected with performance or administration of employment. Circulating an adverse record to future employers is ordinarily not necessary to perform the former employment contract.

Once employment has ended, the employer can ordinarily conclude the separation process without preventing the former employee from obtaining employment elsewhere. A clause stating that the employee will be blacklisted for misconduct or failure to serve notice therefore does not establish contractual necessity.

2. Contractual Breach And Data-Processing Consequences Are Separate Issues

An employee may breach a notice-period requirement. The employer may have rights arising from that breach, depending on the contract and applicable law. It may preserve evidence, calculate a disputed amount, pursue a lawful claim or make an adjustment where legally permitted.

These contractual consequences must be distinguished from blacklisting.

The existence of a breach answers whether a contractual obligation was performed. It does not automatically establish that the employee is dishonest, unsuitable for every future role or a continuing risk to other employers.

A blacklisting measure must therefore have its own legal justification. It cannot be treated as an automatic incident of contractual enforcement.

3. Position Under The DPDP Act

An employment contract may create obligations between the employer and employee, but it is not an independent ground for processing Personal Data under the DPDP Act. The employer must separately establish valid consent under section 6 or show that the processing falls within a certain legitimate use under section 7.

Section 7(i) may permit the employer to maintain accurate separation records, record established misconduct or retain information necessary to protect itself from loss or liability. For example, where an employee does not complete the notice period, the employer may record the actual last working date and retain relevant information for a lawful contractual claim.

However, this does not automatically permit permanent blacklisting or disclosure to future employers. A clause allowing the employer to share the employee’s details cannot expand section 7(i), which protects the original employer’s employment and risk-management purposes. It does not create a general right to protect other Data Fiduciaries by warning them against employing the individual.

The employee’s signature also does not automatically amount to valid consent. Consent must independently be free, specific, informed, unconditional and unambiguous. A standard clause authorising disclosure to unidentified future employers may not meet these requirements, particularly where the employee cannot refuse without affecting employment.

Accordingly, the contract may create the underlying employment obligation and specify lawful consequences for its breach. However, every related use or disclosure of Personal Data must still be independently justified under the DPDP Act.

Can An Internal Rehire Record Be Justified?

An internal rehire record is not automatically lawful or unlawful. Its legality depends on its purpose, necessity, design, accuracy, duration and effect.

1. Position Under Legitimate Interest

Article 6(1)(f) of the GDPR requires three cumulative conditions:

1.the employer must pursue a lawful, specific and present legitimate interest; 2.the processing must be necessary for that interest; and 3.the employee’s interests, rights and freedoms must not override the employer’s interest.

The assessment should be conducted and documented before the processing begins. Legitimate interest is not a residual ground that applies merely because consent and contractual necessity are unavailable.

An employer may possess a legitimate interest in avoiding repetition of serious and established conduct, such as deliberate fraud, theft of confidential information, serious misuse of privileged access, workplace violence or intentional sabotage.

However, the interest must be articulated precisely. Descriptions such as “HR purposes,” “maintaining discipline,” “protecting the company” and “industry practice” do not explain why the particular record is required.

The employer must identify the actual risk and its relationship with future employment. A record of deliberate misuse of financial access may be relevant to a future role involving similar access. It does not necessarily justify exclusion from every role in the organisation.

2. Position Under Section 7(i)

Section 7(i) of the DPDP Act permits processing:

for the purposes of employment;
for safeguarding the employer from loss or liability, including prevention of corporate espionage and maintenance of confidentiality of trade secrets, intellectual property and classified information; and
for providing a service or benefit sought by an employee. This formulation may support proportionate internal processing where an established incident creates a genuine risk to the employer. It does not, however, mean that every activity undertaken by Human Resources is automatically “for the purposes of employment.”

The processing must remain genuinely connected with the identified employment or employer-protection purpose. A record based on proven fraud may satisfy that relationship more readily than a record based on personality conflict, an unresolved allegation, a grievance, whistleblowing activity or failure to complete a minor part of the notice period.

Section 7(i) should not be converted into a general power to impose reputational or employment consequences unrelated to protection of the employer.

VI. Necessity And Less Intrusive Alternatives

The employer must distinguish between what is useful and what is necessary.

Under the GDPR, legitimate-interest necessity requires the employer to examine whether the same interest can reasonably be achieved just as effectively through a measure less restrictive of the individual’s rights. If such a measure exists, the more intrusive processing cannot be justified under Article 6(1)(f).

The employer should consider whether it can:

preserve the underlying concluded employment record without creating a separate blacklist;
apply a status of “rehire subject to review” rather than “never rehire”;
review the information only when the individual reapplies;
restrict the record to objective facts;
examine relevance to the specific future role;
limit access to designated HR and Legal personnel; or
address the risk through improved operational or security controls.

These alternatives are particularly important where the underlying conduct is not severe. A permanent prohibition for a minor notice-period shortfall is difficult to justify

The DPDP Act does not reproduce the GDPR’s express three-part legitimate-interest test. Nevertheless, the phrase “for the purposes of employment” requires a real relationship between the processing and the employment purpose. An excessive measure cannot be brought within section 7(i) merely by labelling it an employment safeguard.

VII. Balancing The Employer’s Interest Against The Employee’s Livelihood

Blacklisting can affect income, reputation, career development and access to an occupation. These consequences are central to the legal analysis.

Under the GDPR, the balancing exercise must consider:

the seriousness of the underlying conduct;
whether the information concerns an allegation or an established finding;
whether the employee was given an opportunity to respond;
the employee’s reasonable expectations;
the sensitivity of the information;

The EDPB recognises that financial, social and personal interests may override the controller’s interest, particularly where the processing is unexpected or produces serious consequences.

The DPDP Act does not formulate an equivalent express balancing test. However, the impact remains relevant when determining whether the processing is genuinely connected with the section 7(i) purpose

VIII. Accuracy, Completeness And Procedural Fairness

Accuracy does not merely mean that some underlying event occurred. The description must fairly represent the status, context and outcome of that event.

The following statements are not equivalent:

the employee was accused of fraud;
the employer commenced an internal investigation;
the investigation reached an adverse internal finding;
a police complaint was filed;
criminal proceedings were commenced; and
the employee was convicted.

Similarly, resignation during an investigation is not necessarily an admission, and a settlement without admission is not a finding of misconduct.

Under the GDPR, accuracy is a fundamental principle under Article 5. Under section 8(3) of the DPDP Act, completeness, accuracy and consistency are required where personal data is likely to be used to make a decision affecting the Data Principal or disclosed to another Data Fiduciary. A rehire decision affects the individual, while external sharing directly engages the disclosure requirement.

A bare label such as “blacklisted,” “integrity concern” or “negative employee” is inadequate because it removes the information required for a fair future assessment.

Procedural fairness is also distinct from factual accuracy. A record may accurately state that an investigation resulted in an adverse finding, yet continued reliance on that finding may still be unfair if the employee was not heard, material evidence was ignored or the conclusion is used for a purpose unrelated to the original incident.

Section 7(i) expressly refers to safeguarding the employer from loss or liability.

An internal record may be directed toward protecting that employer. When the employer shares the information with another Data Fiduciary, the purpose changes. The information is now being used to protect or assist another organisation in its recruitment decision.

The statutory language does not expressly create a certain legitimate use permitting one employer to process employee data for the protection of unrelated employers or an industry as a whole.

This does not mean every external disclosure is necessarily unlawful. A disclosure may be:

required by law;
ordered by a court;
required by a regulator;
necessary for enforcing a properly constituted legal claim;

These situations require their own legal analysis. They should not be treated as automatic extensions of section 7(i).

Section 7 is a defined list of certain legitimate uses. It does not contain an open-ended commercial legitimate-interest ground equivalent to Article 6(1)(f) of the GDPR. The usefulness of information to another employer does not itself add a new legitimate use.

XV. Conclusion

An employer may lawfully preserve employment information required to administer the employment relationship, comply with legal obligations, pursue legal claims or protect itself against a genuine and established risk. In an appropriate case, this may include a restricted internal record requiring further review if the former employee reapplies.

That limited authority does not amount to a general right to blacklist.

Under the GDPR, contractual necessity will rarely justify post-employment blacklisting merely because a blacklisting clause appears in the employment contract. A restricted internal record may potentially be based on legitimate interest, but only after the employer identifies a lawful and precise interest, proves that the processing is necessary, considers less intrusive alternatives and establishes that the employee’s rights do not override its interest.

Under the DPDP Act, section 7(i) permits processing for employment purposes and for safeguarding the employer from loss or liability. It may support proportionate internal processing directed toward the employer’s own genuine risk. It does not naturally authorise disclosure designed to protect other Data Fiduciaries or create collective exclusion from the employment market.

Can Employers Blacklist Employees Under The GDPR And The DPDP Act?