AppShield was the world's first

Application firewall An application firewall is a form of firewall that controls input/output or system calls of an application or service. It operates by monitoring and blocking communications based on a configured policy, generally with predefined rule sets to c ...

. AppShield was conceptualized by Eran Reshef and

Gili Raanan Gili Raanan (born 1969) is an Israeli venture capitalist and one of the inventors of CAPTCHA (US patent application with 1997 priority date ), the WAF (web application firewall) and many other inventions in the fields of application security and ...

and was introduced to the market by Perfecto Technologies (now Sanctum) in the summer of 1999. AppShield is a safeguard for many systems as it is protection for code and data. The Appshield product was the first product to inspect incoming

Hypertext Transfer Protocol The Hypertext Transfer Protocol (HTTP) is an application layer protocol in the Internet protocol suite model for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data communication for the World Wide Web, ...

requests and block malicious attacks based on a dynamic policy which was composed by analyzing the outgoing

HTML The HyperText Markup Language or HTML is the standard markup language for documents designed to be displayed in a web browser. It can be assisted by technologies such as Cascading Style Sheets (CSS) and scripting languages such as JavaScri ...

pages. AppShield is used to isolate the target applications registers and address space from the other applications and can utilize memory in a unique way and in return, the rootkit can't access it's memory. The product faced many market adoption challenges and Sanctum was forced to introduce a complementary solution named

Appscan HCL AppScan, previously known as IBM AppScan, is a family of desktop and web security testing and monitoring tools, formerly a part of the Rational Software division of IBM. In July 2019, the product was acquired by HCL Technologies and is curre ...

to demonstrate the need in

Application security Application security (short AppSec) includes all tasks that introduce a secure software development life cycle to development teams. Its final goal is to improve security practices and, through that, to find, fix and preferably prevent security i ...

. In 2004,

F5 Networks F5, Inc. is an American technology company specializing in application security, multi-cloud management, online fraud prevention, application delivery networking (ADN), application availability & performance, network security, and access & autho ...

acquired AppShield's intellectual properties from Sanctum and discontinued the technology. Gartner's Magic Quadrant (MQ) 2015 for Web Application Firewalls estimates that the global WAF market size is as big as $420 million, with 24 percent annual growth. AppShield can rewrite application framework in Android and IOS and it will not modify the IOS for the device.

References

Firewall software {{security-stub