Update Sherif-Mansour.md
Update Sherif-Mansour.md
mkasmani/owasp-devseccon-summit,OWASP/owasp-summit-2017,mkasmani/owasp-devseccon-summit,OWASP/owasp-summit-2017,mkasmani/owasp-devseccon-summit,OWASP/owasp-summit-2017,OWASP/owasp-summit-2017,mkasmani/owasp-devseccon-summit