| Document and Entity Information | Aug. 03, 2022 |
| Entity Listings [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 03, 2022 |
| Entity Registrant Name | ZEROFOX HOLDINGS, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 001-39722 |
| Entity Tax Identification Number | 98-1557361 |
| Entity Address, Address Line One | 1834 S. Charles Street |
| Entity Address, City or Town | Baltimore |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 21230 |
| City Area Code | 855 |
| Local Phone Number | 936-9369 |
| Entity Information, Former Legal or Registered Name | L&F Acquisition Corp. |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Current Fiscal Year End Date | --12-31 |
| Amendment Flag | false |
| Entity Central Index Key | 0001823575 |
| Former Address [Member] | |
| Entity Listings [Line Items] | |
| Entity Address, Address Line One | 150 North Riverside Plaza |
| Entity Address, Address Line Two | Suite 5200 |
| Entity Address, City or Town | Chicago |
| Entity Address, State or Province | IL |
| Entity Address, Postal Zip Code | 60606 |
| Common Stock, $0.0001 par value per share [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Common Stock, $0.0001 par value per share |
| Trading Symbol | ZFOX |
| Security Exchange Name | NASDAQ |
| Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Warrants, each whole warrant exercisable for one share of Common Stock at an exercise price of $11.50 per share |
| Trading Symbol | ZFOXW |
| Security Exchange Name | NASDAQ |
