<style>p { margin: 0; }span.fr-emoticon.fr-emoticon-img { background-repeat: no-repeat !important; font-size: inherit; height: 1em; width: 1em; min-height: 20px; min-width: 20px; display: inline-block; margin: -0.1em 0.1em 0.1em; line-height: 1; vertical-align: middle; } span.fr-emoticon { font-weight: normal; font-family: "Apple Color Emoji", "Segoe UI Emoji", "NotoColorEmoji", "Segoe UI Symbol", "Android Emoji", "EmojiSymbols"; display: inline; line-height: 0; } blockquote { border-left: solid 2px #5e35b1; color: #5e35b1; margin-left:0; padding-left:5px;}blockquote blockquote{ border-color: #00bcd4; color: #00bcd4;}blockquote blockquote blockquote{ border-color: #43a047; color: #43a047;} table.grid{ border-collapse: collapse;} table.grid td, table.grid th { border: 1px solid #ddd;} .fr-fic.fr-dib{ display: block; margin: 5px auto;}.fr-fic.fr-dib.fr-fir{ text-align: right; margin: 5px 0 5px auto;}.fr-fic.fr-dib.fr-fil{ text-align: left; margin: 5px auto 5px 0;}.fr-fic.fr-dii{ float: none; margin: 5px auto;}.fr-fic.fr-dii.fr-fil{ float: left; margin: 5px auto;}.fr-fic.fr-dii.fr-fir{ float: right; margin: 5px auto;}img.fr-dib.fr-fir { margin-right: 0; text-align: right;}img.fr-dib.fr-fil { margin-left: 0; text-align: left;}img.fr-dib { margin: 5px auto; display: block; float: none;}img.fr-bordered { box-sizing: content-box; border: solid 5px #CCC;}img.fr-shadow { box-shadow: 10px 10px 5px 0px #cccccc;}img.fr-rounded { border-radius: 10px; -moz-border-radius: 10px; -webkit-border-radius: 10px; -moz-background-clip: padding; -webkit-background-clip: padding-box; background-clip: padding-box;}</style><p><strong>In this guide we will cover:</strong></p><p><strong>- Redacting Card Numbers</strong></p><p><strong>- Redacting Social Security Numbers</strong></p><p><strong>- Context Aware Redaction Rules</strong></p><p><br></p><p><br></p><p>Card numbers and Social Security Numbers (SSN) can be redacted from new tickets or actions, either partially or wholly. </p><p><br></p><p id="isPasted"><strong><span style="font-size: 14pt;">Redacting Card Numbers</span></strong></p><p>In Configuration > Users > General Settings > Data Compliance Settings, a dropdown will show to select whether card numbers are redacted from tickets.</p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImUzMzczZjZjLTM1NWQtNGM4ZC05NjI3LThiMjEwNWNjZDRhNCJ9.ZVDWFVZeiHz1WBDcdvDlMgZBvR6cpVJTlZ6awazKq8E" class="fr-fic fr-fil fr-dib" width="698" height="159"></p><p><strong><span style="font-size: 10pt;">Fig 1. Redact card numbers.</span></strong></p><p><br></p><p>In this example, the card number is redacted, except for the last 4 digits being shown. </p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImMwZWQyNDJiLWZjMTEtNGQwNS1hMTdmLWY5YWEzYzVmMjczOCJ9.nWQGHKg8h7RldXVhVoZ9Pk-BQn2to_z5ScFYGLoWyYA" class="fr-fic fr-fil fr-dib" width="226" height="143"></p><p><strong><span style="font-size: 10pt;">Fig 2. Partially redacted card number.</span></strong></p><p><br></p><p id="isPasted">The Luhn's Check Algorithm is used to determine if something is a card number or not, as specified in Annex B of ISO/IEC 7812-1, and numbers between 13 and 19 digits will be tested. This method cannot guarantee that all card numbers will be redacted, or that some non-card numbers would not be.</p><p><br></p><p>Exclusions have been made for numbers which start with a + (i.e. phone numbers), and numbers that are part of URLs.</p><p><br></p><p><strong><span style="font-size: 14pt;">Redacting Social Security Numbers</span></strong></p><p id="isPasted">In Configuration > Users > General Settings > Data Compliance Settings, a dropdown will show to select whether Social Security Numbers are redacted from tickets.</p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImE2ZmM5OWQyLTlmOTEtNDg3MC1hMjQzLWY2NDEwYzI1MzdiNiJ9.Jap1w2Fr0jy0KcxQhScrNlI5v3_rYDv02heuvXGlVN0" class="fr-fic fr-fil fr-dib" width="702" height="186"></p><p><strong><span style="font-size: 10pt;">Fig 3. Redacting SSNs.</span></strong></p><p><br></p><p>The redaction will apply in both forms will dashes between and without, as shown below.</p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjUyNDNiMWI3LTM0YmQtNDIzMi1iZjZlLTQ2YTgxMmJhNGZiNCJ9.2l-HGrnrpdJIA8xRcQQz280PuDd2Znwew_Rz4ybSIPU" class="fr-fic fr-fil fr-dib" width="222" height="288"></p><p><strong><span style="font-size: 10pt;">Fig 4. Redacted SSNs.</span></strong></p><p><br></p><p><strong><span style="font-size: 14pt;">Context Aware Redaction Rules</span></strong></p><p>There is an additional option to enable context aware redaction rules, and dictate their character strength. In this example, 5 characters either side of the number will be checked. Using this method may mean some card numbers or Social Security Numbers are not redacted.</p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6ImJkOTA3YTY5LWVkMTctNDRhYi04NjI3LTVkODZiZGNjNjMzMSJ9.l1Wdd2rpIKIR48GQSl0UKtnoFK9o09lzmZCblEt7ZbU" class="fr-fic fr-fil fr-dib" width="1080" height="110"></p><p><strong><span style="font-size: 10pt;">Fig 5. Context strength configuration.</span></strong></p><p><br></p><p>This means the same number will still show if part of an email.</p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjA1ZmZlYzUwLWFiYjEtNGI3Mi1hYjgxLTc0MTA3MWFiOTEwNiJ9.ICv6DhNb369wmm6slWXN4JkQt4VNv-IEVgBjlZdbaRw" class="fr-fic fr-fil fr-dib" width="226" height="146"></p><p><strong><span style="font-size: 10pt;">Fig 6. Unredacted email.</span></strong></p><p><br></p><p>Or part of a URL.</p><p><br></p><p><img src="https://halo.haloservicedesk.com/api/attachment/image?token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6Ijk1ZTdhNGU0LWI3NzItNDU3NS1iNGM3LTQ0MDM3NDRiMWVlOSJ9.Ko3SkKi0Z2695ubDRIRMeGg1xiVtKvRfMyljsTEfauY" class="fr-fic fr-fil fr-dib" width="227" height="145"></p><p><strong><span style="font-size: 10pt;">Fig 7. Unredacted URL.</span></strong></p><p><br></p>
