Add-On Subscriptions & Services

ArcLight’s “build to suit” solutions — stack additional security services, agents, and projects to meet your organizational requirements. Everything below is billed monthly on the 20th with a matching one-time sign-up fee.

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How ArcLight Add-Ons work

Every organization’s risk profile is different — so instead of forcing a one-size-fits-all bundle, ArcLight lets you stack exactly the security layers your environment needs on top of your existing services. Pick the add-ons below, set the quantity, and they’re live.

Good to know

  • Licensed per user or per device — buy only what you use
  • Billed monthly on the 20th
  • One-time sign-up fee equal to one month per license
  • Stacks with any ArcLight Security Suite plan or standalone
  • Managed, monitored & kept current by ArcLight
  • Deployment & configuration labor draws from your retainer

Not sure which add-ons fit your environment? Keep a support retainer on file (bottom of this page) and our team will review your environment and recommend the right stack.

1 Protect your endpoints

Layers that live on your computers and servers — stopping malware, locking down what’s allowed to run, and putting human threat hunters behind every alert. Licensed per device/endpoint.

SentinelOne CompletePer endpoint

AI-powered antivirus that fights back — and can roll back ransomware damage.

Next-generation endpoint protection (EPP/EDR) that uses behavioral AI to detect and stop malware, ransomware, and fileless attacks in real time — no signature updates to wait on. Autonomous response can kill, quarantine, and remediate threats, and rollback can restore a Windows endpoint to its pre-attack state.

Quantity in cart:

$6/month

billed on the 20th · plus $6 one-time sign-up fee

How many endpoints?

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Huntress MDRPer endpoint

A 24/7 human security operations center watching your endpoints.

Managed Detection & Response backed by Huntress’s around-the-clock SOC. Hunts for the things automated tools miss — persistent footholds, hidden backdoors, and attacker tradecraft — then isolates compromised endpoints and delivers step-by-step remediation guidance from real analysts.

Quantity in cart:

$6/month

billed on the 20th · plus $6 one-time sign-up fee

How many endpoints?

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ThreatLockerPer endpoint

If it isn’t approved, it doesn’t run. Period.

Zero-trust application control: instead of chasing known-bad software, ThreatLocker blocks everything that isn’t explicitly approved. Application allowlisting, ringfencing (apps can’t touch what they don’t need), and storage control shut down entire categories of attack — including brand-new malware no scanner has seen yet.

Quantity in cart:

$8/month

billed on the 20th · plus $8 one-time sign-up fee

How many endpoints?

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Auto-ElevatePer endpoint

Remove local admin rights without drowning in “can you install this?” tickets.

Privilege access management for endpoints: users run as standard (non-admin) accounts — the single biggest blocker to most malware — while approved applications elevate automatically and one-off requests get approved in seconds. Security goes up, helpdesk friction doesn’t.

Quantity in cart:

$3/month

billed on the 20th · plus $3 one-time sign-up fee

How many endpoints?

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2 Protect your identities & access

Attackers don’t break in anymore — they log in. These layers protect the accounts, passwords, and connections your people use every day. Licensed per user.

Huntress ITDRPer user

Catches account takeovers in Microsoft 365 before they become breaches.

Identity Threat Detection & Response for your Microsoft 365 accounts. Detects the telltale signs of a compromised account — suspicious logins, rogue inbox forwarding rules, session hijacking, unauthorized app access — and Huntress’s 24/7 SOC locks the account down before the attacker can pivot to fraud or ransomware.

Quantity in cart:

$7/month

billed on the 20th · plus $7 one-time sign-up fee

How many users?

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Keeper SecurityPer user

One strong password per site, zero sticky notes.

Business-grade password management: every employee gets an encrypted vault for strong, unique passwords with autofill across browsers and devices. Shared team folders keep group credentials organized and revocable, and admins get visibility into password hygiene across the whole organization.

Quantity in cart:

$3/month

billed on the 20th · plus $3 one-time sign-up fee

How many users?

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Todyl Always On VPNPer user

Office-grade network security that follows your people anywhere.

An always-on, encrypted connection that protects traffic wherever your team works — home, hotel, coffee shop, or airport Wi-Fi. Unlike a traditional VPN that users forget to turn on, Todyl connects automatically and routes traffic through a secure network layer, keeping remote work as protected as sitting in the office.

Quantity in cart:

$16/month

billed on the 20th · plus $16 one-time sign-up fee

How many users?

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3 Filter the web & find your weak spots

Stop threats before they reach your people, and find the holes before attackers do.

DNS FilterPer user

Blocks malicious websites before the page even loads.

DNS-layer web protection that stops connections to phishing sites, malware delivery domains, and botnet command-and-control servers at the lookup stage — before any content reaches the browser. Also enforces your acceptable-use policy with category-based content filtering, on and off the company network.

Quantity in cart:

$4/month

billed on the 20th · plus $4 one-time sign-up fee

How many users?

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ConnectSecurePer device

Continuous vulnerability scanning — know your weak spots before attackers do.

Automated vulnerability management that continuously scans your devices for missing patches, misconfigurations, and known exploitable weaknesses, then ranks them by severity so the riskiest gaps get fixed first. Also supports compliance reporting for frameworks and cyber-insurance questionnaires.

Quantity in cart:

$2/month

billed on the 20th · plus $2 one-time sign-up fee

How many devices?

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4 Back up your email & cloud data

Microsoft doesn’t back up your Microsoft 365 data — deleted means deleted once retention windows pass. This does.

DropSuitePer user

Your email and cloud files, backed up automatically and restorable in clicks.

Automated cloud-to-cloud backup for Microsoft 365: mailboxes, calendars, contacts, OneDrive, SharePoint, and Teams data backed up daily with point-in-time restore. Whether it’s an accidental deletion, a departed employee’s mailbox, or a ransomware event, the data comes back — down to a single email or file.

Quantity in cart:

$6/month

billed on the 20th · plus $6 one-time sign-up fee

How many users?

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Support, Engineering & Emergency Retainer

Pre-paid retainer for hands-on help when you need it. No work is billed in arrears — your retainer balance is always your spending cap. Add-on deployment and configuration labor is deducted from your retainer.

  • Email support — $2/min
  • Onsite, project & engineering support — $3.25/min
  • 24/7 emergency phone support — $4/min (1-hour minimum per incident)
  • Top-up invoices sent automatically when your balance runs low
$250
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Don’t forget to add a support retainer!

Support retainer is not required to utilize ArcLight services however all support requires a pre-paid retainer. Don’t wait until an issue arises to purchase support retainers and delay problem resolution!

$250
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