Credit card number

Article
2025-04-23

Format

14 to 19 digits that can be formatted or unformatted (dddddddddddddddd).

Must pass the Luhn test.
Must match number formats used by major credit card companies.

Pattern

Detects cards from all major brands. This includes Visa, MasterCard, Discover Card, JCB, American Express, gift cards, diner's cards, Rupay, and China UnionPay.

This sensitive information type doesn't flag reserved credit card numbers, such as the ones financial institutions use for testing

Checksum

Yes - the Luhn test, and verify match with number formats of major credit card companies.

Keyword Highlighting

Supported

When keyword highlighting is supported in the contextual summary for a sensitive information type or a trainable classifier, in the Contextual Summary view of activity explorer, the keywords in a document that were matched to a policy are highlighted.

Definition

A DLP policy has high confidence that it detects this type of sensitive information if, within a proximity of 300 characters:

The function Func_credit_card finds content that matches the pattern.
One of the following conditions is true:
- A keyword from Keyword_cc_verification is found.
- A keyword from Keyword_cc_name is found.
- The function Func_expiration_date finds a date in the right date format.
The checksum passes.

A DLP policy has low confidence that it detects this type of sensitive information if, within a proximity of 300 characters:

The function Func_credit_card finds content that matches the pattern.
The checksum passes.

<!-- Credit Card Number -->
<Entity id="50842eb7-edc8-4019-85dd-5a5c1f2bb085" patternsProximity="300" recommendedConfidence="85">
  <Pattern confidenceLevel="85">
        <IdMatch idRef="Func_credit_card" />
        <Any minMatches="1">
          <Match idRef="Keyword_cc_verification" />
          <Match idRef="Keyword_cc_name" />
          <Match idRef="Func_expiration_date" />
        </Any>
  </Pattern>
  <Pattern confidenceLevel="65">
        <IdMatch idRef="Func_credit_card" />
  </Pattern>
</Entity>

Keywords

Keyword_cc_verification

card verification
card identification number
cvn
cid
cvc2
cvv2
pin block
security code
security number
security no
issue number
issue no
cryptogramme
numéro de sécurité
numero de securite
kreditkartenprüfnummer
kreditkartenprufnummer
prüfziffer
prufziffer
sicherheits Kode
sicherheitscode
sicherheitsnummer
verfalldatum
codice di verifica
cod. sicurezza
cod sicurezza
n autorizzazione
código
codigo
cod. seg
cod seg
código de segurança
codigo de seguranca
codigo de segurança
código de seguranca
cód. segurança
cod. seguranca
cod. segurança
cód. seguranca
cód segurança
cod seguranca
cod segurança
cód seguranca
número de verificação
numero de verificacao
ablauf
gültig bis
gültigkeitsdatum
gultig bis
gultigkeitsdatum
scadenza
data scad
fecha de expiracion
fecha de venc
vencimiento
válido hasta
valido hasta
vto
data de expiração
data de expiracao
data em que expira
validade
valor
vencimento
transaction
transaction number
reference number
セキュリティコード
セキュリティコード
セキュリティナンバー
セキュリティナンバー
セキュリティ番号

Keyword_cc_name

amex
american express
americanexpress
americano espresso
Visa
mastercard
master card
mc
mastercards
master cards
diner's Club
diners club
dinersclub
discover
discover card
discovercard
discover cards
JCB
BrandSmart
japanese card bureau
carte blanche
carteblanche
credit card
cc#
cc#:
expiration date
exp date
expiry date
date d'expiration
date d'exp
date expiration
bank card
bankcard
card number
card num
cardnumber
cardnumbers
card numbers
creditcard
credit cards
creditcards
ccn
card holder
cardholder
card holders
cardholders
check card
checkcard
check cards
checkcards
debit card
debitcard
debit cards
debitcards
atm card
atmcard
atm cards
atmcards
enroute
en route
card type
Cardmember Acct
cardmember account
Cardno
Corporate Card
Corporate cards
Type of card
card account number
card member account
Cardmember Acct.
card no.
card no
card number
carte bancaire
carte de crédit
carte de credit
numéro de carte
numero de carte
nº de la carte
nº de carte
kreditkarte
karte
karteninhaber
karteninhabers
kreditkarteninhaber
kreditkarteninstitut
kreditkartentyp
eigentümername
kartennr
kartennummer
kreditkartennummer
kreditkarten-nummer
carta di credito
carta credito
n. carta
n carta
nr. carta
nr carta
numero carta
numero della carta
numero di carta
tarjeta credito
tarjeta de credito
tarjeta crédito
tarjeta de crédito
tarjeta de atm
tarjeta atm
tarjeta debito
tarjeta de debito
tarjeta débito
tarjeta de débito
nº de tarjeta
no. de tarjeta
no de tarjeta
numero de tarjeta
número de tarjeta
tarjeta no
tarjetahabiente
cartão de crédito
cartão de credito
cartao de crédito
cartao de credito
cartão de débito
cartao de débito
cartão de debito
cartao de debito
débito automático
debito automatico
número do cartão
numero do cartão
número do cartao
numero do cartao
número de cartão
numero de cartão
número de cartao
numero de cartao
nº do cartão
nº do cartao
nº. do cartão
no do cartão
no do cartao
no. do cartão
no. do cartao
rupay
union pay
unionpay
diner's
diners
クレジットカード番号
クレジットカードナンバー
クレジットカード＃
クレジットカード
クレジット
クレカ
カード番号
カードナンバー
カード＃
アメックス
アメリカンエクスプレス
アメリカンエクスプレス
Visaカード
Visa カード
マスターカード
マスターカード
マスター
ダイナースクラブ
ダイナースクラブ
ダイナース
有効期限
期限
キャッシュカード
キャッシュカード
カード名義人
カードの名義人
カードの名義
デビットカード
デビットカード
中国银联
银联

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