Original mobile security research
Quokka researchers use their mobile app and device security findings to develop our proprietary static, dynamic, and interactive app scanning engines.
Peer-reviewed academic papers
Tomassi, D. A., Nwodo, K., & Elsabagh, M. Libra: Library Identification in Obfuscated Android Apps. In Information Security: 26th International Conference, ISC 2023.
Yang, A., Elsabagh, M., Zuo, C., Johnson, R., Stavrou, A., & Lin, Z. Detecting and Measuring Misconfigured Manifests in Android Apps. In The ACM Conference on Computer and Communications Security (CCS) 2022.
Ji, Y., Elsabagh, M., Johnson, R., & Stavrou, A. DEFINIT: An Analysis of Exposed Android Init Routines. In 30th USENIX Security Symposium (USENIX Security 21) (pp. 3685-3702).
Elsabagh, M., Johnson, R., Stavrou, A., Zuo, C., Zhao, Q., & Lin, Z. (2020). FIRMSCOPE: Automatic Uncovering of Privilege-Escalation Vulnerabilities in Pre-Installed Apps in Android Firmware. In 29th USENIX Security Symposium (USENIX Security 20) (pp. 2379-2396).
Johnson, R., Elsabagh, M., Stavrou, A., & Offutt, J. (2018, May). Dazed droids: A longitudinal study of android inter-app vulnerabilities. In Proceedings of the 2018 on Asia Conference on Computer and Communications Security (pp. 777-791).
Elsabagh, M., Johnson, R., & Stavrou, A. (2018, December). Resilient and scalable cloned app detection using forced execution and compression trees. In 2018 IEEE Conference on Dependable and Secure Computing (DSC) (pp. 1-8). IEEE.
R. Johnson, N. Kiourtis, A. Stavrou and V. Sritapan, “Analysis of content copyright infringement in mobile application markets,” 2015 APWG Symposium on Electronic Crime Research (eCrime), Barcelona, Spain, 2015, pp. 1-10.
Johnson, R., & Stavrou, A. (2013, June). Forced-path execution for android applications on x86 platforms. In 2013 IEEE Seventh International Conference on Software Security and Reliability Companion (pp. 188-197). IEEE.
Authors
Our researchers’ academic papers have been cited over 350 times.
Technical reports
Johnson, R., Elsabagh, M., & Stavrou, A. (2021). (Un)protected Broadcasts in Android 9 and 10. In Black Hat Asia 2021.
Johnson, R., & Stavrou, A. (2018, August). Vulnerable Out of the Box: An Evaluation of Android Carrier Devices.
Johnson, R., Benameur, A., & Stavrou, A., (2017, July). All Your SMS & Contacts Belong to Adups & Others. In Black Hat USA 2017.
Johnson, R., & Stavrou, A. (2015, March). Resurrecting the READ LOGS Permission on Samsung Devices. In Black Hat Asia 2015.
Conference Talks
Ryan Johnson frequently travels the globe to share his research findings at top security conferences.
Black Hat MEA
2023
Still Vulnerable Out of the Box: Revisiting the Security of Prepaid Android Carrier Devices
DEF CON 31
2023
Still Vulnerable Out of the Box: Revisiting the Security of Prepaid Android Carrier Devices
Black Hat Asia
2022
Start Arbitrary Activity App Components as the System User Vulnerability Affecting Samsung Android Devices
@Hack
2021
How (Not) to Expose the Content of Notifications – A Historical Perspective on Samsung Android Smartphones / I Am Root: Security Analysis of Simo’s vSIM Android Software / (Un)protected Broadcasts in Android 9 and 10
Black Hat Asia
2021
(Un)protected Broadcasts in Android 9 and 10
IT-DEFENSE
2020
Countering Pre-Installed App Supply Chain Threats
Quokka technology powers CVE discovery
Quokka discovers and delivers unsurpassed mobile security intelligence
Real-world context
Only endpoint protection to scan all apps, data destinations, and system configurations in context of each mobile device in order to enable remediation
10M+
devices protected
115k+
vulnerabilities found
2M+
apps scanned
Original research
Only researchers in the industry to discover hundreds of new zero-day vulnerabilities and threats that power proprietary app scanning engines
500+
academic citations
350+
zero-day device vulnerabilities
220+
mobile CVEs
11
academic papers
Privacy-first approach
First and only mobile endpoint protection that end users trust because no personal information or data is collected or shared with enterprise IT
0
personal info or data
Defense-grade engines
Longest-standing mobile security for the US Federal Government, founded with grants from DARPA and NIST
30+
international governmental agencies
Mobile security that makes you smile.
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