special character

{
  "id": "MLC-T-CYB-004030",
  "term": "special character",
  "field": "Cybersecurity",
  "definition": "1. Any non-alphanumeric character that can be rendered on a standard, American-English keyboard. Use of a specific special character may be application dependent. The list of 7-bit ASCII special characters follows: ` ~! @ # $ % ^ & * ( ) _ + | } { “ : ? > < [ ] \\ ; ’ , . / - =\n\n2. A non-alphanumeric character that may be defined by one or more CPE specifications to have a special meaning when it appears unquoted in a WFN. Special characters typically trigger a processor to perform a given function. The rules for escaping CPE special characters are defined in the CPE Naming specification [CPE23-N:5.3.2].",
  "references": [
    "CNSSI 4009-2015; CNSSI 4009-2022",
    "NISTIR 7696",
    "NIST CSRC Glossary"
  ],
  "url": "https://mlchart.com/terminology/cybersecurity/special-character/"
}