Get Secure Internet starting at $65/mo.

500 Mbps Secure Internet service auto-renews monthly at $65/mo. + taxes and fees for 24 months, after which price will go up no more than $30/mo. until standard rates are reached. Standard rates subject to change. Subscription continues and renews automatically each month until canceled. Cancel any time at 888-655-0080. Advertised price reflects $5 discount for enrolling in Auto Pay & Paperless Billing, must maintain both to keep discount. Not available in all areas. Offer for new Optimum Business customers only. Installation fee will apply. Equipment fees apply. Monthly cable modem rental required unless subscriber elects to purchase. Offer is not transferrable, may not be combined w/other offers, is limited to advertised level of srvc, and is not available in all areas. Other terms, restrictions & conditions apply.​

SECURE INTERNET: Not available in all areas. Advertised speed for wired connection. Actual speeds may vary & are not guaranteed, see optimum.com/speedfactors for more info. Min system req's & equip configs apply. Internet Security products do not guarantee that your business is immune to all future cyber-attacks or unauthorized third-party access to your systems. ​

RELIABILITY: Excludes Internet outages caused by external events & scheduled maintenance. ​

MONEY-BACK GUARANTEE: 60-day guarantee applicable to new customer installations for recurring service fees and initial installation charges if service is terminated and all equipment is returned within 60 days of install. ​

60-DAY INSTALL / ACTIVATION REIMBURSEMENT: Customer who is not satisfied and disconnects service within first 60 days of activation can receive a reimbursement up to $100 for Internet installation fee and/or up to $25 Mobile activation charges with competitor. Up to $60 reimbursement for BHV (Business Hosted Voice) installation. Customer must provide 1st bill reflecting installation/activation charges with competitor within 60 days of disconnection. Customer will be notified via email regarding how to submit new provider bill for reimbursement. Customer will receive a virtual Prepaid Mastercard within approx. 2 weeks of validation. PREPAID MASTERCARD: Limit 1 per customer. Virtual card is issued by Pathward®, N.A., Member FDIC, pursuant to license by Mastercard International Incorporated. Mastercard and the circles design are registered trademarks of Mastercard International Incorporated. No cash access or recurring payments. Virtual card can be used where Debit Mastercard is accepted online, for phone/mail orders or in stores that accept mobile wallet. Virtual card valid for up to 6 months; unused funds will forfeit after the valid thru date. Terms and conditions apply.​

Pricing, offers, and terms subject to change and discontinuance w/o notice. All trademarks and service marks are the property of their respective owner. © 2026 CSC Holdings, LLC.