Grayshift

Grayshift is an American mobile device forensics company which makes a device named GrayKey to crack iPhones, iPads, and Android devices.

Grayshift was co-founded by David Miles, Braden Thomas, Justin Fisher and Sean Larsson.[1] The company is funded by private investors PeakEquity Partners and C&B Capital.[2][3]

GrayKey

The GrayKey product has been used by the FBI and U.S., British and Canadian local police forces.[4][5][6][7][8][9] Canadian police forces require judicial authorization (court order or warrant) per mobile phone to use GrayKey. GrayKey is estimated to be used in up to 30 countries.[10]

According to media reports, GrayKey costs US$15,000 to US$30,000 per copy depending on the functional options chosen.[11] One thousand agencies currently use GrayKey[12] The device is a gray box, 4 inches by 4 inches by 2 inches in size, with two Lightning cables.[13] The time to solve an iPhone's passcode can be a few minutes to several hours, depending on the length of the passcode. Thus, it is possible that GrayKey is performing a brute-force attack to perform to solve after disabling the passcode attempt limit.[14]

The GrayKey reportedly provides support for iPhones running iOS 9 and later.[15] Apple modified iOS so that external device connections must be authorized by the iPhone owner after it has been unlocked.[16] On newer iPhone models, only unencrypted files and some metadata might be extracted. With earlier models, full data extraction, such as decrypting encrypted files, is possible.

In 2018, hackers obtained the GrayKey source code and attempted to extort a payment of 2 bitcoins from Grayshift after leaking "small chunks of code".[17][18]

GrayKey with Android support was released in early 2021.[19]

References
  1. "Leadership". Retrieved 2021-01-04.
  2. "Investors and Advisors". Retrieved 2021-01-04.
  3. "Grayshift, The Startup That Breaks Into iPhones For The Feds, Raises $47 Million". Forbes. 2020-10-26. Retrieved 2021-01-04.
  4. Miller, Chance (2020-01-16). "Report: The FBI recently unlocked an iPhone 11 Pro with GrayKey, raising more doubts about the Pensacola case". 9to5Mac. Retrieved 2020-01-16.
  5. Fox-Brewster, Thomas (March 5, 2018). "Mysterious $15,000 'GrayKey' Promises To Unlock iPhone X For The Feds". Forbes. Retrieved 2020-01-16.
  6. Burgess, Matt (2018-10-19). "UK police are buying top secret hacking tech to break into iPhones". Wired UK. ISSN 1357-0978. Retrieved 2020-01-16.
  7. Cox, Joseph (2018-04-12). "Cops Around the Country Can Now Unlock iPhones, Records Show". Vice.com. Retrieved 2020-01-16.
  8. "Waterloo Regional Police have a device that can crack locked phones". 2021-01-03. Retrieved 2021-01-04.
  9. "More questions than answers as Guelph Police confirm ownership of controversial forensic tool". 2020-12-02. Retrieved 2021-01-04.
  10. Grayshift. "Grayshift Announces Office in France and Continues to Invest in European Growth". www.prnewswire.com (Press release). Retrieved 2022-07-12.
  11. Nicas, Jack (2020-10-21). "The Police Can Probably Break Into Your Phone". The New York Times. Retrieved 2021-01-04.
  12. "Record Growth and Continued Innovation in Mobile Forensics Market". Grayshift. Retrieved 2021-05-25.
  13. "GrayKey iPhone unlocker poses serious security concerns". 2018-03-14. Retrieved 2021-01-04.
  14. "Instructions Show How Cops Use GrayKey to Brute Force iPhones". www.vice.com. Retrieved 2022-07-18.
  15. "FBI got data from a locked iPhone 11 using GrayKey: how does this tool work?". 22 January 2020. Retrieved 2021-01-04.
  16. "USB Restricted Mode in iOS 13: Apple vs. GrayKey, Round Two". 2019-09-27. Retrieved 2021-01-04.
  17. "Look, a GrayKey interface on the internet!". 2018-05-25. Retrieved 2021-01-04.
  18. "Hackers Leaked The Code Of iPhone Cracking Device "GrayKey", Attempted Extortion". 2018-05-24. Retrieved 2021-01-04.
  19. "Grayshift Introduces Android Support on GrayKey". Grayshift. Retrieved 2021-05-25.


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