STT
STT is a privately held Austin-based software firm that develops STTarx, a network security software product for secure network communications and data transport encryption, operating with a 1-10 employee team since its 2007 founding.
- Company typePrivate
- Founded2007
- HeadquartersAustin, United States
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What STT does
STT is a privately held software firm headquartered in Austin, Texas, founded in 2007. The company develops STTarx, a network security software product positioned around secure network communications and data transport encryption. STT operates with a small team of 1-10 employees, consistent with a boutique or early-stage cybersecurity vendor focused on a narrow technical niche. The company maintains a web presence at sttarx.com and operates as a for-profit private entity. No revenue, pricing, customer, distribution, partnership, or funding information is publicly disclosed in the available sources.
The input dataset also references a separate, much larger enterprise that shares the "STT" abbreviation: ST Telemedia, a Singapore-based technology and investment company whose core operating subsidiary is STT GDC (ST Telemedia Global Data Centres), a data centre platform with approximately 1.7 GW of production capacity across 11 markets. In November 2025, KKR and Singtel were reported to be in advanced talks to acquire over 80% of STT GDC from ST Telemedia at a platform valuation exceeding USD 5 billion. These references describe a different organization from STT the Austin-based cybersecurity software firm and have been excluded from the strategic, financial, competitive, and expansion analysis below.
Within the scope of STT the software firm, the available evidence supports a narrow functional description only: a small Austin-based vendor of encryption-focused network security software, with no disclosed customer base, revenue, distribution channels, or growth indicators.
STT firmographics
Firmographics- Name
- STT
- Legal name
- ST Telemedia
- Website
- https://sttarx.com
- Company type
- Private
- Founded year
- 2007
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- STT is a privately held Austin-based software firm that develops STTarx, a network security software product for secure network communications and data transport encryption, operating with a 1-10 employee team since its 2007 founding.
- Ownership category
- akta.pro rank
STT industry classification
Industry- Product category
- Network Security Software
- NAICS
- Computer Systems Design and Related Services (54151)
- SIC
- Services-Computer Integrated Systems Design (7373)
- akta.pro primary industry
- Secure Access Service Edge (SASE) & SSE (HDADABAB)
- akta.pro secondary industry
- Confidential Computing & Hardware-backed Protection (TEE/HSM) (HDADAFAJ)
Keywords
Where STT is headquartered
LocationHeadquarters
- HQ city
- Austin
- HQ country
- United States
- HQ region
- North America
Markets served
STT business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Infrastructure, Marketing or Sales
STT product offering
Product offeringCore offering
STT develops and sells STTarx, a network security software product that delivers secure network communications and data transport encryption. The product is positioned for organizations that need to protect data in transit across networks through dedicated encryption software.
Differentiator
Problem solved
Functional benefit
Products and services
- STTarx STTarx is a network security software product that provides secure network communications and data transport encryption for organizations needing to protect data in transit across networks.
Companies that use STT
Customer profileIdeal customer profiles1 record
STT technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
STT partnerships and signals
Strategic signalScale indicators2 records
Recent moves1 record
Expansion highlights1 record
STT competitors and assessment
Company assessmentDirect peers
- OpenVPN: OpenVPN provides open-source and commercial VPN/secure network communication software — directly comparable to STT's STTarx positioning in secure network communications and data transport encryption.
- NordLayer: NordLayer offers a business-oriented network security and encrypted-access platform aimed at SMB and mid-market, closely overlapping with STT's secure network communications niche.
Emerging players
- Tailscale: Tailscale delivers a WireGuard-based secure mesh networking product for teams and enterprises — a more modern, developer-focused competitor in encrypted network communications.
- Cato Networks: Cato Networks operates a single-vendor SASE platform converging SD-WAN, security, and encrypted traffic handling — an emerging pure-play adjacent to STT's secure network communications focus.
- Perimeter 81 (Check Point): Perimeter 81 (now part of Check Point) delivers a cloud-delivered secure network access service — a closer match for a small specialist's product surface than the largest incumbents.
Broad incumbents
- Fortinet: Fortinet provides a broad suite of network security appliances and software (FortiGate, FortiClient) covering VPN, encrypted traffic, and secure networking — a large incumbent spanning the same category as STTarx.
- Cloudflare: Cloudflare offers a broad internet security and network services platform (WAF, Magic Transit, Zero Trust, encrypted traffic handling) — a large incumbent whose secure-networking capabilities compete with STTarx at scale.
- Zscaler: Zscaler is a leading SASE/zero-trust platform that includes secure internet access, private access, and encrypted traffic inspection — directly competing with the data-transport encryption and secure communications niche.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat2 records
Key risks5 records
Key highlights4 records
Customer concentration
STT social profiles
Digital presenceSTT financial estimates
Financial estimateRevenue estimate
Valuation estimate
STT leadership team
Management profileNumber of profiles
STT subsidiaries and ownership
Company hierarchySubsidiaries1 record
STT funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
STT M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about STT
What does STT do?
STT develops and sells STTarx, a network security software product that delivers secure network communications and data transport encryption. The product is positioned for organizations that need to protect data in transit across networks through dedicated encryption software.
Is STT a public or private company?
STT is a private company. It is classified as unknown and is currently operating.
When was STT founded?
STT was founded in 2007. It employs 1 to 10 people.
Where is STT based?
STT is headquartered in Austin, United States, in the North America region.
Who are STT's main competitors?
Direct peers on record are OpenVPN and NordLayer. Emerging players are Tailscale, Cato Networks and Perimeter 81 (Check Point). Broad incumbents are Fortinet, Cloudflare and Zscaler.
Does STT have an API?
No public API is recorded for STT.
What industry is STT in?
STT's product category is Network Security Software. Its primary akta.pro industry code is HDADABAB, Secure Access Service Edge (SASE) & SSE, with a secondary code of HDADAFAJ, Confidential Computing & Hardware-backed Protection (TEE/HSM). Its NAICS code is 54151 and its SIC code is 7373.