R300. Mask sensitive data

Requirement

Bussiness sensitive data (passwords, credit card numbers, CVV, etc) must be masked.

Description

Applications usually handle personal information such as credit card numbers, CVV, personal identifications, social security numbers, etc. The exposure of this data could severely affect their owners and so it must be considered sensitive and specifically protected. Masking is a mechanism that contributes to this protection.

References

  1. Directive 2002/58/EC (amended by E-privacy Directive 2009/136/EC). Art. 4: Security of processing.(1a) The measures referred to in paragraph 1 shall at least protect personal data stored or transmitted against accidental or unlawful destruction, accidental loss or alteration, and unauthorized or unlawful storage, processing, access or disclosure.

  2. GDPR. Recital 51: Protecting sensitive personal data Personal data which are, by their nature, particularly sensitive in relation to fundamental rights and freedoms merit specific protection as the context of their processing could create significant risks to the fundamental rights and freedoms.

  3. OWASP Top 10 A3:2017-Sensitive Data Exposure. Many web applications and APIs do not properly protect sensitive data, such as financial, healthcare, and PII. Attackers may steal or modify such weakly protected data to conduct credit card fraud, identity theft, or other crimes. Sensitive data may be compromised without extra protection, such as encryption at rest or in transit, and requires special precautions when exchanged with the browser.

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