The global email encryption market is on track for a significant leap over the next few years, growing from an estimated $9.30 billion in 2025 to $23.33 billion by 2030, according to a new report from MarketsandMarkets™. That works out to a compound annual growth rate of 20.2%, a pace driven largely by a steady rise in cyberattacks and tightening data-privacy regulations worldwide.
Why the Market Is Growing So Fast
The core driver here isn't complicated: as ransomware, phishing, and business email compromise attacks have become more frequent and more sophisticated, organisations are being pushed harder than ever to protect sensitive email communications. Layered on top of that is a growing web of legal obligations, regulations like the CCPA, GDPR, and HIPAA are placing real pressure on companies to encrypt sensitive data or risk facing serious fines and legal consequences.
The shift to distributed and hybrid work has added another layer of urgency. With more teams working across cloud-based platforms and scattered locations, the surface area for potential attacks has expanded considerably, making secure email communication less of a nice-to-have and more of an operational necessity.
Healthcare Leading Growth by Sector
Among industry verticals, healthcare is expected to post the highest growth rate over the forecast period, largely driven by strict regulatory requirements like HIPAA in the US, which mandates that patient health information be protected, especially when transmitted via email. Given how valuable health data has become on the black market, healthcare organisations worldwide are investing more heavily in encryption to reduce breach risk and stay compliant, a trend that's expected to keep accelerating.
On-Premises Deployment Still Leads, But Cloud Is Catching Up
By deployment mode, on-premises solutions are expected to hold the largest share of the market through the forecast period. This is particularly true among government agencies and large enterprises that prioritise direct control over their security infrastructure, especially in sectors like defence, banking, and healthcare, where data sovereignty and compliance concerns make many organisations reluctant to hand encryption control over to external cloud providers.
That said, cloud-based email encryption is emerging as a major growth area of its own, offering scalability and centralised management that's particularly appealing as more organisations shift toward platforms like Microsoft 365 and hybrid work models.
Asia Pacific: The Region to Watch
Geographically, the Asia Pacific region is expected to post the fastest growth rate, driven by rapid digital transformation alongside a sharp rise in cyber threats. According to data cited from Abnormal Security's 2025 findings, advanced email attacks across countries like Japan, Singapore, India, and Australia rose nearly 27% overall, with phishing attacks specifically climbing over 30%, and Japan and Singapore seeing spikes as high as 37%.
Given the strategic role many APAC economies play in global trade, finance, and defence, they've increasingly become targets for sophisticated, sometimes state-sponsored, cyberattacks. With traditional email defences struggling to keep pace, demand is rising for AI-powered encryption solutions capable of real-time threat detection and behavioural analysis, tools that can integrate smoothly across both mobile and cloud environments.
Where the Technology Itself Is Headed
Modern email encryption platforms are increasingly building in AI and machine learning to automatically detect suspicious behaviour, classify sensitive content, and apply encryption policies dynamically, reducing how much manual oversight organisations need to maintain strong security. Many solutions can now also automatically encrypt emails based on predefined rules, keywords, data classification, or specific regulatory requirements, taking the burden off individual employees to manually secure every sensitive message.
Within the broader market, the services segment, covering professional and managed support, implementation, and ongoing compliance assistance, is projected to be the fastest-growing category overall, with an expected CAGR of 21.2% between 2025 and 2030. Email gateway encryption is also expected to be the fastest-growing solution type, offering organisations a centralised layer for both inbound and outbound email security.
Who's Leading the Market
The market includes a mix of established global cybersecurity and enterprise technology players: Fortinet, BAE Systems, Mimecast, Cisco, Proofpoint, Zoho, Broadcom, OpenText, Barracuda Networks, Thales, HPE, Entrust, Fortra, Sophos, Trend Micro, and Seclore, among others. These companies have generally pursued a mix of product development, partnerships, and acquisitions to expand their footprint, with notable activity including Mimecast's recent $5.8 billion acquisition by private equity firm Permira, underscoring just how much strategic value is being placed on this space right now.
FAQs
Q1. How big is the email encryption market expected to become by 2030?
It's projected to reach $23.33 billion by 2030, up from $9.30 billion in 2025, growing at a CAGR of 20.2%.
Q2. Why is the healthcare sector expected to see the fastest growth?
Strict regulatory requirements like HIPAA, combined with the high black-market value of patient health data, are pushing healthcare organisations to invest heavily in encryption to reduce breach risk and stay compliant.
Q3. Which region is expected to grow fastest, and why?
Asia Pacific, driven by rapid digital transformation and a sharp rise in advanced email attacks, particularly phishing, across countries like Japan, Singapore, India, and Australia.
Q4. What's driving the shift toward AI-powered email encryption?
Traditional email security defences are struggling to keep pace with increasingly sophisticated attacks, pushing demand toward AI-driven solutions offering real-time threat detection and behavioural analysis.