借助表單的自動完成功能，某些瀏覽器可以在歷史記錄中保留敏感信息。
啟用自動完成功能后，某些瀏覽器會保留會話中的用戶輸入，以便隨后使用該計算機的用戶查看之前提交的信息。
[1] Standards Mapping - OWASP Top 10 2007 - (OWASP 2007) A6 Information Leakage and Improper Error Handling
[2] Standards Mapping - Security Technical Implementation Guide Version 3 - (STIG 3) APP3210.1 CAT II, APP3310 CAT I, APP3340 CAT I
[3] Standards Mapping - Security Technical Implementation Guide Version 3.4 - (STIG 3.4) APP3210.1 CAT II, APP3310 CAT I, APP3340 CAT I
[4] Standards Mapping - Common Weakness Enumeration - (CWE) CWE ID 525
[5] Standards Mapping - Web Application Security Consortium 24 + 2 - (WASC 24 + 2) Information Leakage
[6] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 - (PCI 2.0) Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.4
[7] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 - (PCI 1.2) Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.6, Requirement 8.4
[8] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 - (PCI 1.1) Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 8.4
[9] Pete Freitag Turn off autocomplete for credit card input