Paubox

Paubox

HIPAA-compliant email encryption for healthcare

Overview

Paubox provides HIPAA-compliant email encryption tailored for healthcare providers. It offers a subscription-based service that integrates with existing email platforms to securely transmit patient information, protecting PHI during sending and storage. The product works by embedding secure encryption and compliance features directly into users’ email flow, so recipients can receive encrypted emails without extra steps. Paubox differentiates itself by focusing specifically on healthcare compliance, offering tiered security features, and maintaining strict security standards to simplify secure communication for clinicians. Its goal is to become the market leader in HIPAA-compliant healthcare communication by continuously improving its security posture and expanding its product offerings.

About Paubox

Simplify's Rating
Why Paubox is rated
B-
Rated B on Competitive Edge
Rated B on Growth Potential
Rated C on Differentiation

Industries

Enterprise Software

Cybersecurity

Healthcare

Company Size

11-50

Company Stage

Series B

Total Funding

$14.8M

Headquarters

San Francisco, California

Founded

2015

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Simplify's Take

What believers are saying

  • Paubox's 2025 report found 107 healthcare email breaches by July, sustaining demand.
  • In 2026, Paubox increased attachment limits to 150MB, improving enterprise usability.
  • Paubox launched Observe and Report DLP mode and AI-driven inbound security in 2026.

What critics are saying

  • Proofpoint, Virtru, and HIPAA Vault target broader secure messaging and compliance budgets.
  • Paubox's last known funding was August 2022, limiting war-chest depth versus rivals.
  • If Microsoft 365 security hardens faster, Paubox's email-only wedge shrinks by 2026.

What makes Paubox unique

  • Paubox automates HIPAA email encryption without user action, reducing staff workflow friction.
  • G2 named Paubox best email encryption software in 2026, reinforcing category leadership.
  • Paubox extends beyond email with Forms, DLP, Marketing, and Transcription features.

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Funding

Total Funding

$14.8M

Below

Industry Average

Funded Over

5 Rounds

Series B funding is typically for startups that have proven their business model and need more funding to expand rapidly—often by entering new markets or adding more products. Investors are usually venture capital firms that specialize in later-stage investments.
Series B Funding Comparison
Below Average

Industry standards

$35M
$30M
Patreon
$45M
Linktree
$65M
Substack
$100M
ClickUp

Benefits

Remote Work Options

Health Insurance

Dental Insurance

Vision Insurance

401(k) Retirement Plan

Paid Vacation

Paid Sick Leave

Paid Holidays

Stock Options

Professional Development Budget

Growth & Insights and Company News

Headcount

6 month growth

-6%

1 year growth

-2%

2 year growth

0%
ChannelBuzz.ca
Sep 2nd, 2025
Paubox targets healthcare cyberthreats with Generative AI-powered email

Paubox, a key provider of HIPAA compliant email security, has unveiled its most ambitious product release to date - Inbound Email Security.

HIT Consultant
Jun 9th, 2025
Healthcare It Dangerously Overconfident In Email Security, New Report Finds

Source Credit: Paulbox 2025 Healthcare Email Security ReportWhat You Should Know: – A new 2025 report from Paubox reveals a critical disconnect between the perceived security readiness and actual email vulnerability within healthcare organizations. While 92% of healthcare IT leaders express confidence in their ability to prevent email-based data breaches, 8 out of 10 admit to worrying about their HIPAA compliance status, highlighting a dangerous overconfidence that leaves patient data exposed.– The report, “2025 Healthcare Email Security Report” leverages survey data from 150 U.S. healthcare IT leaders, breach analysis, and configuration audits, argues that email remains healthcare’s largest cybersecurity vulnerability. Critical gaps persist due to outdated systems and tools that create significant user frustration, leading staff to bypass security protocols.The Confidence Gap: Why Perceived Security Isn’t RealityThe confidence expressed by IT leaders is undermined by common on-the-ground realities. The Paubox report points to widespread security weaknesses that are often overlooked, including:User-dependent encryption that relies on staff to take extra steps.Partially configured email authentication tools like DMARC and SPF.A lack of formal incident response workflows for email-related risks, which is a HIPAA violation.Failure to review email logs and analytics.“Too often, organizations rely on infosec policies, user training, or manually enforced controls—rather than implementing automated, policy-driven email encryption solutions,” said Andrew Hicks, a partner at Frazier Dieter Advisory, LLC. “This overreliance on human-dependent safeguards introduces unnecessary risk.”This gap is further widened by significant barriers to adopting modern, HIPAA-compliant email solutions

HIT Consultant
Jun 27th, 2024
Integrating Hipaa Compliance Into Digital Communication: A Closer Look

Healthcare organizations have been increasingly adopting digital communication channels like email and text messaging. These channels offer convenience and flexibility for both healthcare providers and patients. When used judiciously, they can help improve the overall patient experience.However, with the growing use of digital communication comes an increased risk of data breaches. The healthcare sector has been a prime target for cyberattacks and data breaches over the last several years, which makes compliance with the Health Insurance Accountability and Portability Act (HIPAA) all the more important. Adherence to the framework’s guidelines for digital communication with patients puts organizations in the best possible position to safeguard sensitive patient data. The Threats to Protect Health InformationBetween 2009 and 2023, there were reports of 5,887 healthcare data breaches. In 2023 alone, 133 million medical records were exposed or impermissibly disclosed due to 725 reported data breaches.Unauthorized access to a patient’s personal health records, known as protected health information (PHI), puts them at risk of identity theft and scams. It also damages your reputation as a trustworthy healthcare provider and takes a toll on patient satisfaction.Worse still, these breaches result in non-compliance with the guidelines established by HIPAA

Manchester Times
Jun 24th, 2024
Paubox Launches Free HIPAA Compliant Forms for Secure Patient Data Collection

Paubox, a leader in HIPAA compliant communication solutions for healthcare, is proud to announce the launch of Paubox Forms, a groundbreaking feature within the Paubox Email Suite.

HIPAA Journal
Feb 5th, 2024
Paubox Launches HIPAA Compliant Online Forms

Paubox, the market leader in HIPAA-compliant email, has added a new feature to the Paubox Email Suite that allows HIPAA-regulated entities to create secure, HIPAA-compliant online forms for collecting patient data.

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