ephyra
Ephyra is a small privately held software company distributing browser privacy and security extensions (PrivacyKeeper, SafeDomain Guardian) via direct .msix downloads from ephyra.bio to individual internet users on a freemium model.
- Company typePrivate
- Founded-
- HeadquartersCambridge, United Kingdom
- Headcount1–10
- GTM typeB2C
- OfferingSoftware
What ephyra does
Ephyra operates as a small (1-10 employee), privately held software company that distributes browser-based privacy and security extensions under the ephyra.bio domain. Its primary product is PrivacyKeeper, a privacy-first browser extension designed to secure online searches and protect users from tracking, delivered as a Windows .msix installer via direct download from the company website. A second product, SafeDomain Guardian, is offered in identical distribution format, suggesting an intent to build a small portfolio of browser security tools.
The go-to-market is a self-serve, product-led, direct-to-consumer model: users complete a CAPTCHA-style security check on ephyra.bio and download the .msix installer directly. The revenue model is described as freemium, but no pricing tiers, premium features, or in-app purchases are documented in any source. Marketing channels are limited to the company's own website, with no evidence of paid acquisition, partnerships, or enterprise sales motion. The firmographics describe the company as based in Cambridge, United Kingdom, though its served market is global.
A notable source-material discrepancy exists: the firmographics short description ("Ephyra develops designer sponge RNAs intended to restore cellular health") describes a biotech entity, whereas every product, GTM, and website data point describes a consumer browser-extension business. Additionally, the ephyra.bio domain hosts substantial content for the unrelated video game "Where Winds Meet" (a NetEase / Sony title) — this may indicate a domain hosting or affiliate arrangement rather than genuine corporate involvement in gaming.
ephyra firmographics
Firmographics- Name
- ephyra
- Website
- https://ephyra.bio
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Ephyra is a small privately held software company distributing browser privacy and security extensions (PrivacyKeeper, SafeDomain Guardian) via direct .msix downloads from ephyra.bio to individual internet users on a freemium model.
- Ownership category
- akta.pro rank
ephyra industry classification
Industry- Product category
- Browser Security & Privacy Software
- NAICS
- Software Publishers (5132)
- akta.pro primary industry
- Endpoint Protection Platforms (EPP/NGAV) (HDADAEAD)
- akta.pro secondary industry
- Endpoint Privilege Management (EPM) (HDADAEAF)
Keywords
Where ephyra is headquartered
LocationHeadquarters
- HQ city
- Cambridge
- HQ country
- United Kingdom
- HQ region
- Europe
Markets served
ephyra business model
Business model- GTM type
- B2C
- Offering type
- Software
- Cost components
- Technology or R&D, Marketing or Sales, Operations, Infrastructure, Personnel
Revenue model
- Browser Extension Distribution: Free downloadable browser privacy extensions with potential for premium features or in-app purchases. Distribution model appears to be free-to-use with optional premium services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Pay-as-you-go | Free tier - PrivacyKeeper browser extension |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels1 record
ephyra product offering
Product offeringCore offering
ephyra distributes downloadable browser security and privacy software to individual end users through its ephyra.bio portal. Its primary offerings are PrivacyKeeper, a privacy-first browser extension that secures online searches and protects users from tracking, and SafeDomain Guardian, a related security utility for safe domain browsing. Both products are delivered as Windows .msix installers via direct download from the company website.
Product overview
ephyra.bio serves as a download portal for browser security and privacy extensions. The primary product is PrivacyKeeper, a privacy-first browsing tool that secures online searches. The domain also hosts SafeDomainGuardian.msix, another security-related download, though specific details about this product are limited in the available source material.
Differentiator
Problem solved
Functional benefit
Brands
- PrivacyKeeper: Privacy-first browsing security software
- SafeDomain Guardian
Products and services
- PrivacyKeeper Privacy-first browser extension that secures online searches and protects individual internet users from tracking, delivered as a downloadable Windows .msix installer from ephyra.bio.
- SafeDomain Guardian Browser security utility that provides safe domain browsing protection for individual internet users, delivered as a downloadable Windows .msix installer from ephyra.bio.
Companies that use ephyra
Customer profileSegments1 record
Ideal customer profiles1 record
ephyra technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
ephyra partnerships and signals
Strategic signalRecent moves3 records
Expansion highlights2 records
ephyra competitors and assessment
Company assessmentBroad incumbents
- DuckDuckGo: Privacy-focused search and browsing tools including a browser extension that blocks trackers and secures searches. Directly comparable to PrivacyKeeper's value proposition and the same horizontal consumer-privacy segment.
- Brave Software: Privacy-focused browser with built-in tracker blocking, HTTPS upgrades, and private search. Comparable as a bundled privacy-browsing alternative that obviates the need for a separate extension.
- Norton (Gen Digital): Broad consumer security suite including Safe Web / privacy features. Represents the bundled incumbent alternative that Ephyra would compete with if it expanded into premium security offerings.
- Malwarebytes: Consumer and SMB endpoint security software with browser-guard capabilities. Comparable as an established endpoint/browsing-security player with a freemium model similar to Ephyra's stated approach.
- Avast (Gen Digital): Freemium consumer security suite including anti-tracking and secure browsing. Comparable freemium-to-premium consumer security business model at global scale.
- NordVPN (Nord Security): Consumer privacy/security brand expanding from VPN into broader threat-protection and browser-security features. Comparable as a premium consumer privacy brand Ephyra could be acquired by or benchmarked against.
Direct peers
- Ghostery: Ad- and tracker-blocking browser extension targeted at privacy-conscious consumers. Most directly comparable product to PrivacyKeeper in category, delivery model, and target user.
- EFF Privacy Badger: Free browser extension that automatically learns to block invisible trackers. A direct free/open-source competitor in the same product category, which defines the price ceiling at zero.
- Adblock Plus (eyeo): Widely deployed ad- and tracker-blocking browser extension. Directly competes for the same consumer browser-protection use case with an established user base and monetization via acceptable-ads.
- Total Adblock: Consumer-facing ad/tracker-blocking extension with a freemium-to-paid conversion model. Directly comparable in product surface, target user, and monetization approach.
Market position
Strengths3 records
Weaknesses4 records
Competitive moat1 record
Key risks6 records
Key highlights4 records
Customer concentration
ephyra social profiles
Digital presenceephyra financial estimates
Financial estimateRevenue estimate
Valuation estimate
ephyra leadership team
Management profileNumber of profiles
ephyra funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ephyra 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 ephyra
What does ephyra do?
ephyra distributes downloadable browser security and privacy software to individual end users through its ephyra.bio portal. Its primary offerings are PrivacyKeeper, a privacy-first browser extension that secures online searches and protects users from tracking, and SafeDomain Guardian, a related security utility for safe domain browsing. Both products are delivered as Windows .msix installers via direct download from the company website.
Is ephyra a public or private company?
ephyra is a private company. It is classified as unknown and is currently operating.
When was ephyra founded?
ephyra was founded in -1. It employs 1 to 10 people.
Where is ephyra based?
ephyra is headquartered in Cambridge, United Kingdom, in the Europe region.
How does ephyra make money?
One revenue line is on record: browser Extension Distribution.
Who are ephyra's main competitors?
Broad incumbents on record are DuckDuckGo, Brave Software, Norton (Gen Digital), Malwarebytes, Avast (Gen Digital) and NordVPN (Nord Security). Direct peers are Ghostery, EFF Privacy Badger, Adblock Plus (eyeo) and Total Adblock.
Does ephyra have an API?
No public API is recorded for ephyra.
What industry is ephyra in?
ephyra's product category is Browser Security & Privacy Software. Its primary akta.pro industry code is HDADAEAD, Endpoint Protection Platforms (EPP/NGAV), with a secondary code of HDADAEAF, Endpoint Privilege Management (EPM). Its NAICS code is 5132.