›the right that someone has to keep their personal life or personal information secret or known only to a small group of people: Among the three industries studied, concerns about privacy and security of data were highest in the financial sector.Security and privacy issues relating to online trading still represent the most significant barrier to e-commerce.Despite recent lawsuits upholding rights to privacy, the media show little willingness to keep their distance. consumer/customer/patient privacydata/online/internet privacyprivacy laws/policies/rightsprivacy concerns/issues/protectionsan invasion/violation of privacyCampaigners have protested that the release of sensitive medical information is an invasion of privacy.invade/breach/violate sb's privacyAccording to customers, the company was using underhand tactics in order to invade their privacy.protect/safeguard/respect sb's privacyShe donated $650,000 to the party through intermediaries in order to protect her privacy.