Security

Armorblox

AI-powered email security and BEC protection platform

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Acquired★4.2ratingPricing · PaidRising

What happened to Armorblox?

Armorblox was acquired by Cisco in 2023.

Cisco announced its Armorblox acquisition on May 31, 2023 and completed it that year; the team joined Cisco's Security Business Group.

Source: cisco.com ↗Its AI Graveyard record →AI products shut down or acquired in 2023 →

The FalcoScan Intel PanelArmorblox · Security
Data updated 2 November 2026
Opportunity
High
Band
Saturation
Open
Band
Wrapper risk
Low
Band
Momentum
Rising
Market trend
Rating
4.2
of 5 · FalcoScan rating

Security AI has a wide moat on average, from the moat scores of its rated products. What protects Security AI tools, and the widest moats

The Brief

What Armorblox does

Armorblox uses NLU to detect sophisticated email attacks including business email compromise, invoice fraud, and vendor impersonation that bypass traditional email security filters. Now part of Cisco.

How Armorblox compares with its closest alternatives

1 of the 5 closest alternatives has a free plan; Armorblox does not. Only Arcjet lists a starting price, $25 a month. All 5 offer an API, as Armorblox does. Armorblox offers a web app. Of the 4 alternatives with platforms on record, 3 offer a web app. Armorblox was founded in 2017; the alternatives were founded between 2008 and 2023, 2 of them earlier. The alternatives with a known headquarters are in the United States.

Market position · Security

How Armorblox compares in Security

Armorblox has high opportunity and sits in the middle third of 361 live Security tools on FalcoScan. Across Security, the average opportunity score is 70.4 and the average saturation score 33. FalcoScan rates Armorblox's own market position as open. 121 of the 361 operating Security tools have hot momentum, and FalcoScan has recorded 1 shutdown in the category.

Armorblox compared with its closest alternatives
ProductOpportunitySaturationPricingPricing fromFree planAPIPlatformsMomentum
ArmorbloxFounded 2017HighOpenPaid—NoYesWeb, APIRising
Vectra AIFounded 2012 · San Jose, United StatesHighOpenPaid—NoYesWeb, APIHot
Abnormal Security AI EmailFounded 2018 · San Francisco, United StatesHighOpenPaid—NoYesAPIHot
SecuronixFounded 2008HighOpenPaid—NoYesWeb, APIHot
ArcjetFounded 2023 · San Francisco, United StatesHighOpenFreemium$25/moYesYesAPI, CLIStable
Island Enterprise BrowserFounded 2020 · Dallas, United StatesHighOpenPaid—NoYesWeb, DesktopHot

Exact opportunity and saturation scores for all 6 of these, and where each ranks in Security.

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What it ships with

Capabilities & who uses it

The capabilities Armorblox exposes to builders and the verticals it currently serves.

AI Capabilities
NlpClassificationAnomaly Detection
Industry Verticals
EnterpriseFinancial ServicesLegal
Similar tools · Security

Alternatives to Armorblox

Products still running that do the same job, from the security market and related ones, closest match first.

See the Security market
Security
Vectra AI

AI-powered network detection and response platform

★ 4.4Opportunity High
Paid
Security
Abnormal Security AI Email

AI email security that stops the attacks others miss

★ 4.6Opportunity High
Paid
Security
Securonix

Cloud-native SIEM with AI-powered threat detection

★ 4.3Opportunity High
Paid
Security
Arcjet

Runtime security SDK for AI agents and apps: prompt injection, bots, PII

Opportunity High
Freemium
Security
Island Enterprise Browser

AI-powered enterprise browser for zero-trust security

★ 4.4Opportunity High
Paid
Security
Rubrik Security Cloud

AI-powered data security and ransomware recovery platform

★ 4.3Opportunity High
Paid
Featured in
Questions

Armorblox: common questions

Is Armorblox still running?

Armorblox was acquired by Cisco in 2023. Cisco announced its Armorblox acquisition on May 31, 2023 and completed it that year; the team joined Cisco's Security Business Group.

Who acquired Armorblox?

Cisco acquired Armorblox in 2023 (cisco.com).

Source: cisco.com ↗

Is Armorblox free?

No. Armorblox is a paid product.

What are the best alternatives to Armorblox?

The closest alternatives to Armorblox that are still running, matched on the AI capabilities, uses and audience they share, are Vectra AI, Abnormal Security AI Email, Securonix, Arcjet, and Island Enterprise Browser.

Does Armorblox have an API?

Yes. Armorblox offers an API.

Who is Armorblox for?

Armorblox is built for security teams, it teams, and cisos.

How do I sign in to Armorblox?

Sign in on Armorblox's own website, cisco.com. FalcoScan reviews Armorblox but does not run its accounts, so logins, passwords and billing are handled by Armorblox directly.

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