AppSuit

Built on Stealien's proven technology,the pinnacle of mobile app security

An integrated suite of 10 specialized modules covering every mobile security threat, from code protection to real-time threat detection. Verified with GS Certification Level 1, AppSuit protects 200+ financial, public, and enterprise services.

An unprotected mobile app
is an open vault to attackers

Server and network security can't reach the mobile app running on your customer's device.
Once attackers analyze and tamper with that app, they can steal APIs and bypass authentication.
The fallout goes beyond data loss to revenue impact and erosion of brand trust.

THREAT 01
Smishing
A sophisticated scam that impersonates government and financial institutions via text messages, luring clicks to steal personal data and install malicious apps.
One click is enough to steal all your personal data
THREAT 02
ChoiceJacking
An emerging advanced threat that silently steals photos, contacts, and other user data in just 0.133 seconds — complete before the user even notices.
0.133 seconds, done before the user knows
THREAT 03
App analysis & tampering
Technical attacks that threaten app integrity: source code extraction via decompilation, disabling security logic, and distributing cloned apps.
Source code fully exposed, security collapses

AppSuit counters all of these threats with 10 specialized modules

What is AppSuit?

AppSuit is Stealien's mobile app security solution brand, protecting the entire lifecycle of a mobile app. It offers 10 specialized security solutions — from app tamper prevention to malicious app detection, a secure keypad, screen-capture·remote-control·macro·VPN blocking, core module protection, and security monitoring.

0+
Proven customer references
GS Level 1
Nationally accredited certification
0
Domestic & international patents
0+
Years of technology expertise

The AppSuit lineup

Each module stands on its own—or combines with others to form an end-to-end mobile security stack.

Why AppSuit?

Beyond a simple solution — proven technology and dedicated expert support.

Korea's only GS Certification Level 1
Korea's leading mobile app security solution with government-accredited GS Certification Level 1 — a must-have in the public and financial sectors.
Defense technology built by hacking experts
Developed by a team of hacking competition winners and elite white-hat hackers — the strongest defense, designed from the attacker's perspective.
Instant integration with minimal code
A few lines of SDK integration activate every security feature. Apply it quickly without impacting your development schedule and start protection immediately.
100% in-house technology — immediate patch response
When a new OS launches or new hacking tools emerge, we patch immediately without external dependencies. 14 proprietary patents certify our technology.
Unified security operations through Radar integration
Integrate with major products such as Premium, Air, AV, MacroBlock, VPNBlock, and RemoteBlock to monitor threat intelligence in one place and improve operational efficiency.

Certifications & Awards

GS (Good Software) Certification Level 1
Telecommunications Technology Association (TTA)
Korea SW Product Quality Award — Top Excellence
Ministry of Science and ICT
Mobile Technology Award — SK Telecom Prize
SK Telecom
14 patents at home and abroad (10 domestic + 4 overseas)
Proprietary Android / iOS technology patents
Perfect POC score at KB Kookmin Bank · Best in Shinhan Bank BMT
Repeatedly rated best in financial-sector competitive evaluations

Key Customer References

We deliver mobile app security solutions proven across diverse mobile services in finance, enterprise, and the public sector.
Backed by global project experience across the US, Europe, Japan, and Southeast Asia, we also supply our solutions to major overseas markets.