CISO Tribune

Vendor comparison · 2 companies

Egress vs IRONSCALES

Egress, a KnowBe4 company, is a cloud email security provider that says it continuously assesses human risk and dynamically adapts policy controls, defending against advanced phishing attacks and outbound data breaches. IRONSCALES sells email security that protects Microsoft 365 and Google Workspace against business email compromise, account takeover, malware and malicious URLs, credential harvesting, generative AI attacks, QR code and image-based phishing, and deepfake impersonation in Microsoft Teams meetings. CISO Tribune files both under Email security. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Egress
  • IRONSCALES
Egress vs IRONSCALES: Products, Customers and Funding Compared
EgressEgress, a KnowBe4 company, is a cloud email security provider that says it continuously assesses human risk and dynamically adapts policy controls, defending against advanced phishing attacks and outbound data breaches.egress.comIRONSCALESIRONSCALES sells email security that protects Microsoft 365 and Google Workspace against business email compromise, account takeover, malware and malicious URLs, credential harvesting, generative AI attacks, QR code and image-based phishing, and deepfake impersonation in Microsoft Teams meetings.ironscales.com
What it sells
  • Defend[4][6][7][8][9][13]Inbound email security that stops advanced phishing attacks.
  • Prevent[4][7][10][13]Stops accidental and malicious data loss.
  • Protect[4][7]Secure, certified end-to-end email encryption.
  • Workspace[4][7]Collaborate and share securely.
  • Phishing SOC Agent[6][10]Delivers L2-level forensics on suspicious email.
  • Phishing Simulation Agent[6][10]Builds phishing simulations from OSINT gathered on employees.
  • Human Risk Management[11]Phishing simulation, security awareness training, and user risk scoring.
  • Themis[2][9]An agentic AI virtual SOC that classifies, clusters, and remediates threats.
  • Email Incident Management Service (EIMS)[12]IRONSCALES experts handle email threat investigation, remediation, and AI tuning.
Categories
Headquarters
London, United Kingdom[3]Atlanta, United States[1][13]
Founded
2007[3]2014[1][13]
Ownership and funding
Owned by KnowBe4 since 2024[1][2][4][5][6]Privately held[4][8]
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen October 24, 2026[5]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen October 25, 2026[8]
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, the company sells to customers it says it prepares to defend against attacks and breaches before they happen. Defend is offered to those who need to stop advanced phishing attacks. Prevent is offered to those who need to stop accidental and malicious data loss. Protect is offered to those who need secure, certified end-to-end email encryption.From its own pages, the company sells mainly to enterprises and to MSPs and MSSPs. One entry point addresses global companies that are transforming their email security to tackle modern threats. The site also presents a comparison of secure email gateways and API-based solutions for enterprises and MSPs.
Last verified
November 2, 2026November 2, 2026

Where they overlap

  • Email security is the primary category of both Egress and IRONSCALES.

Where they differ, field by field

  • Egress is also filed under Data loss prevention and Human risk management. IRONSCALES is also filed under AI SOC analysts.
  • Egress lists Defend, Prevent, Protect and Workspace. IRONSCALES lists Phishing SOC Agent, Phishing Simulation Agent, Human Risk Management, Themis and Email Incident Management Service (EIMS).
  • Egress is headquartered in London, United Kingdom. IRONSCALES is headquartered in Atlanta, United States.
  • Egress was founded in 2007. IRONSCALES was founded in 2014.
  • Egress is owned by KnowBe4, since 2024. IRONSCALES is privately held.

How they differ

CISO Tribune files Egress under Email security, Data loss prevention and Human risk management, with Email security as its primary category. Egress sells Defend for inbound email security, Prevent for stopping accidental and malicious data loss, Protect for end-to-end email encryption, and Workspace for secure collaboration and sharing. CISO Tribune files IRONSCALES under Email security and AI SOC analysts, with Email security as its primary category. IRONSCALES sells Phishing SOC Agent, Phishing Simulation Agent, Human Risk Management, Themis, and Email Incident Management Service (EIMS).

Egress is headquartered in London, United Kingdom, and was founded in 2007. IRONSCALES is headquartered in Atlanta, United States, and was founded in 2014. KnowBe4 has owned Egress since 2024. KnowBe4 raised $300 million in a round led by KKR, and Vista Equity Partners took KnowBe4 private. IRONSCALES is privately held, and its Series C funding of $64 million, led by PSG, brought total financing to $80 million since 2015.

IRONSCALES connects to Microsoft 365 or Google Workspace through a native API integration, with no MX record changes. Egress says its Defend product operates after a SEG, Google or Microsoft 365 has performed analysis. For customers, a quoted KnowBe4 customer selected Defend and Prevent as added security layers in its Microsoft 365 environment. IRONSCALES serves organizations directly and through a network of more than 3,500 managed service provider (MSP) partners.

What it sells: Egress

What Defend does[4][6][7][8][9][13]
Defend is KnowBe4's inbound email security solution. Defend uses AI and natural language processing to map historical communication patterns and identify anomalies. Defend rewrites links and checks them at time of click, and detects QR codes within email.
What Prevent does[4][7][10][13]
Prevent lets security administrators configure their risk appetite for data exfiltration. Prevent can block activity, warn users, or monitor user activity without end-user notification. Prevent analyzes attachments for sensitive content and verifies them against the intended recipients.
What Protect does[4][7]
Protect is secure, certified end-to-end email encryption. Protect is one of the KnowBe4 Cloud Email Security products covered by the Security Center.

What it sells: IRONSCALES

What Phishing SOC Agent does[6][10]
Phishing SOC Agent delivers L2-level forensics in minutes and runs five analysis tracks in parallel: sender verification, body analysis for social engineering, link inspection through the full redirect chain, attachment detonation across 100+ engines, and relay path tracing. The agent's output is a Security Assessment with a verdict, key evidence, and a full activity log of every step it took.
What Phishing Simulation Agent does[6][10]
Phishing Simulation Agent gathers OSINT on people, including social media profiles, data breach exposure, and recent job changes, and builds simulations that mirror the tactics targeting the organization. Personalized phishing emails are written in each employee's native language, and one sample per employee cluster is approved by the customer.
What Human Risk Management does[11]
The platform incorporates Human Risk Management: phishing simulation, security awareness training, and user risk scoring modules that automatically tailor simulations to each employee's specific threat profile. IRONSCALES offers a GPT-powered spear phishing module for VIPs and frequently targeted employees.
What Themis does[2][9]
Themis is described as an agentic AI virtual SOC that automatically classifies, clusters, and remediates threats detected by machine learning models or user-reported emails. When a threat is detected, Themis takes autonomous action: quarantining, clustering, or escalating based on automation preferences.

Questions about Egress and IRONSCALES

What do Egress and IRONSCALES sell?
Egress sells Defend, Prevent, Protect and Workspace. IRONSCALES sells Phishing SOC Agent, Phishing Simulation Agent, Human Risk Management, Themis and Email Incident Management Service (EIMS).
Are Egress and IRONSCALES in the same category?
Yes. Email security is the primary category of both on CISO Tribune.
Where are Egress and IRONSCALES headquartered?
Egress is headquartered in London, United Kingdom. IRONSCALES is headquartered in Atlanta, United States.
When were Egress and IRONSCALES founded?
Egress was founded in 2007. IRONSCALES was founded in 2014.
Who owns Egress and IRONSCALES?
Egress is owned by KnowBe4, since 2024. IRONSCALES is privately held.
Who are Egress and IRONSCALES sold to?
From its own pages, the company sells to customers it says it prepares to defend against attacks and breaches before they happen. From its own pages, the company sells mainly to enterprises and to MSPs and MSSPs.

About Egress

Egress, a KnowBe4 company, is a cloud email security provider that says it continuously assesses human risk and dynamically adapts policy controls, defending against advanced phishing attacks and outbound data breaches. Egress says it uses contextual machine learning and neural networks, with integration through a cloud-native API architecture. Egress says KnowBe4's acquisition of Egress created the largest AI-driven cybersecurity platform for managing human risk. KnowBe4 says it entered into a definitive agreement to acquire Egress.

Defend is KnowBe4's inbound email security solution. Defend uses AI and natural language processing to map historical communication patterns and identify anomalies. Defend rewrites links and checks them at time of click, and Defend detects QR codes within email. Active and malicious code is automatically disabled from HTML message bodies and attachments. Sender policy verification lookup and validation are performed on every message for SPF, DKIM and DMARC. Defend filters graymail to a separate folder. Defend uses AI to automate inspection of user-reported phishing emails and remediate attacks across the enterprise.[7]

Defend performs time-of-click inspection to detect malicious URLs that are weaponized post-delivery. Phishing is one of the most common attack vectors for ransomware. Egress says 90% of ransomware starts with a phish and that Defend uses AI-powered analysis to stop malicious links and payloads.[8][9]

On the outbound side, security administrators can configure their risk appetite for data exfiltration and deploy KnowBe4 Prevent to block activity, warn users when they are about to contravene policy, or monitor user activity without end-user notification. Prevent uses AI technology to analyze recipients for signals that an address may be a personal account linked to the sender. Prevent analyzes attachments for sensitive content and verifies them against the intended recipients. Administrators can control and report on exfiltration incidents through an approve/reject workflow. Protect is secure, certified end-to-end email encryption, and Workspace is a way to collaborate and share securely. The Security Center is a single portal for risk analysis, reporting and incident triage, investigation and response for the KnowBe4 Cloud Email Security products Defend, Prevent and Protect, including a live threat feed.[7][10]

Defend integrates into Google Workspace and MS Outlook apps on Windows Desktop, Mac, iOS and Android. Defend operates after a SEG, Google or Microsoft 365 has performed analysis. KnowBe4 Cloud Email Security is integrated into Microsoft 365, including support for Mac and OWA users.[7][11]

KnowBe4 says attackers increasingly target attorneys and support staff, who have access to valuable client information. KnowBe4 also addresses financial services organizations, with email and human error as the focus. A customer quoted by KnowBe4 selected Defend and Prevent as added security layers in its Microsoft 365 environment.[12][13]

The KnowBe4 Platform provides attack simulation and training, email and collaboration security, and agent security powered by AIDA (Artificial Intelligence Defense Agents) and a proprietary Risk Score. KnowBe4 says more than 70,000 organizations worldwide trust it. KnowBe4, Inc gives its address as 33 N Garden Ave, Suite 1200, Clearwater, FL 33755. Vista Equity Partners took KnowBe4 private, and KnowBe4 raised $300 million in a round led by KKR.[7]

KnowBe4 states that all of its products are SSAE18 SOC 2 Type 2 certified and Cyber Essentials certified. KnowBe4 has been audited against the International Organization for Standardization 27001:2022 standard covering information security controls and the 42001:2023 standard covering AI management systems. KnowBe4 maintains compliance with the GDPR. KnowBe4 uses AWS and Azure for data encryption in transit (TLS) and at rest (AES-GCM 256).[12][14]

Egress on the record

Sources

Egress full record

  1. [1]Knowbe4 to acquire egressKnowBe4 · knowbe4.com · published April 24, 2024 · Tier A
  2. [2]Knowbe4 completes acquisition of egressKnowBe4 · knowbe4.com · published July 9, 2024 · Tier A
  3. [3]Egress software technologies granted patent for secure data exchangeDark Reading · darkreading.com · undated page, accessed September 27, 2026 · Tier B
  4. [4]Egress, a KnowBe4 Company | Anti-Phishing, Data Loss Prevention & EncryptionEgress, a KnowBe4 Company · undated page, accessed October 24, 2026 · Tier A
  5. [5]Egress Solutions Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 24, 2026 · Tier C
  6. [6]About Us | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  7. [7]Defend datasheetKnowBe4 · undated page, accessed November 4, 2026 · Tier A
  8. [8]Stop Account Takeover with Defend | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  9. [9]Stop Ransomware with Defend | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  10. [10]Stop Data Exfiltration with Prevent | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  11. [11]Advanced graymail detection with Defend | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  12. [12]Secure Your Legal Practice: Humans & AI Agents | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  13. [13]Financial Services Security Awareness Training | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A
  14. [14]Security Statement | Legal | KnowBe4KnowBe4 · undated page, accessed November 4, 2026 · Tier A

IRONSCALES full record

  1. [1]About usIRONSCALES · ironscales.com · undated page, accessed September 27, 2026 · Tier A
  2. [2]Platform | How It WorksIRONSCALES · undated page, accessed September 27, 2026 · Tier A
  3. [3]Ironscales raises series c funding roundIRONSCALES · ironscales.com · published December 7, 2021 · Tier A
  4. [4]Ironscales ipoForge Global · forgeglobal.com · undated page, accessed September 27, 2026 · Tier C
  5. [5]AI Email Security Platform for Phishing & Deepfakes | IronscalesIRONSCALES · undated page, accessed October 25, 2026 · Tier A
  6. [6]Email Security AgentsIRONSCALES · undated page, accessed October 25, 2026 · Tier A
  7. [7]IRONSCALES | Complete Email Security & Training SolutionsIRONSCALES · undated page, accessed October 25, 2026 · Tier A
  8. [8]IRONSCALES Reviews 2026: Details, Pricing, & Features - G2G2 · undated page, accessed October 25, 2026 · Tier C
  9. [9]SOC Automation SolutionIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  10. [10]Platform | What's NewIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  11. [11]Platform | Human ElementIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  12. [12]Pricing | IronscalesIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  13. [13]IRONSCALES | About Us | Our StoryIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  14. [14]Education Email Security Solutions | IRONSCALESIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  15. [15]Augment your Secure Email Gateway with IRONSCALESIRONSCALES · undated page, accessed November 10, 2026 · Tier A
  16. [16]DMARC Management and MonitoringIRONSCALES · undated page, accessed November 10, 2026 · Tier A

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