Cybersecurity Services in San Jose, CA
San Jose companies hold what attackers want: chip and board designs, customer data covered by the CCPA, and patient records under California's medical privacy law. NetSys runs managed detection and response, identity and email security, vulnerability scanning and tested backups for South Bay organizations, remotely from Brooklyn, with engineers who act on an alert instead of forwarding it.
The short answer
NetSys provides cybersecurity services to San Jose organizations: ThreatDown managed detection and response on every laptop and server, Microsoft Defender for Business, multifactor sign-in enforced through Entra ID Conditional Access, Barracuda email protection, Rapid7 InsightVM scanning, KnowBe4 training and immutable Datto or Veeam backups. All of it is delivered remotely; no NetSys engineer travels to San Jose offices. Detection and emergency response never pause, help desk engineers are reachable from 1 a.m. to 8 p.m. Pacific on any day, and the price is a per-user monthly fee set after an assessment.
Service information by The NetSys Group. Our editorial standards.
How cybersecurity is delivered for San Jose companies
Every control on this page is run from our Brooklyn office through consoles built for remote work. ThreatDown and Defender report to one queue, so when a laptop in North San Jose starts encrypting files or a sign-in arrives from a country your company has never worked in, an engineer isolates the device and suspends the account from here, often before anyone in the office notices. NetSys does not send security staff to San Jose. Replacement laptops are registered in Intune and Windows Autopilot, then shipped to the office or a staff member's home, and a firewall arrives with its policy already loaded for your staff or cabling contractor to plug in. Incident calls go straight to the engineer assigned to your account. Monitoring runs 24/7 from Brooklyn, and so does emergency service. Our staffed help-desk hours are 4 a.m. to 11 p.m. Eastern time (1 a.m. to 8 p.m. Pacific), seven days a week. The proposal states severe-incident escalation, authorized remediation and any other after-hours work.
Protecting design files and export-controlled data
Hardware, semiconductor and equipment companies in North San Jose's R&D buildings keep their value in schematics, layout files, firmware source and test data. Two sets of rules shape how we protect it. Export controls under the EAR treat releasing controlled technology or source code to a foreign national inside the United States as an export to that person's home country, so access has to follow who a person is, not only which team they sit on. Defense suppliers still owe NIST SP 800-171 controls under DFARS 252.204-7012 and a current SPRS score, even though the Department of War suspended CMMC Phase 2 certification on July 13, 2026. We map where design data lives, apply Microsoft Purview sensitivity labels, block sharing outside the tenant by default and log every download from the repositories that matter.
Attacks Bay Area public agencies have already absorbed
Public bodies here have been hit, and their experience is a fair guide to what a private company would face. In April 2021 the Santa Clara Valley Transportation Authority, based in San Jose, shut down systems after a weekend cyberattack; buses and light rail kept running, but the rider app, message boards and online paratransit booking went down while staff checked whether employee data had been taken. In February 2023 ransomware forced the City of Oakland to take systems offline and declare a local emergency. Attacks like these spread through systems that share one flat network and accounts that can reach everything. Our baseline for a San Jose office answers that directly: separate network segments for servers, staff, guests and lab equipment, administrator accounts used only for administration, and backup copies an intruder cannot delete.
California rules that set the security bar in San Jose
Three parts of California law decide what reasonable security means for most San Jose businesses. Civil Code 1798.81.5 requires reasonable security procedures for residents' personal information, and under the CCPA a consumer whose unencrypted data is stolen because those procedures failed can sue for statutory damages, now $107 to $799 per consumer per incident after the 2025 inflation adjustment. Since January 1, 2026, the breach statute, Civil Code 1798.82, has required notice to affected residents within 30 calendar days of discovery, and a sample notice to the Attorney General within 15 days of that when more than 500 Californians are involved. Clinics, and companies whose apps or devices keep medical information for consumers, also answer to the Confidentiality of Medical Information Act. We keep the evidence those laws ask for: configuration records, alert history and restore tests. This is general information, not legal advice.
The first 30 days of a San Jose security engagement
Week one starts with the free remote external penetration test, run against an agreed list of your internet-facing addresses, and a read-only review of the Microsoft 365 or Google Workspace tenant. Week two deploys ThreatDown and Defender through NinjaOne, puts Barracuda filtering in front of every mailbox and runs the first Rapid7 InsightVM scan from inside the network. Week three enforces multifactor sign-in with Conditional Access, moves shared passwords into Keeper and sends a KnowBe4 phishing test to set a baseline. Week four is a restore test from Datto or Veeam and a written findings report that ranks each gap by the harm it could cause. Staff notice two changes: a sign-in prompt on a new device and fewer junk emails.
Cybersecurity in San Jose: what NetSys delivers
Detection and response
- ThreatDown managed detection and response with EDR agents on every workstation, laptop and server, monitored 24/7
- Microsoft Defender for Business and Rapid7 InsightIDR telemetry from identities, email and endpoints, with a person acting on alerts
Identity and email
- Entra ID Conditional Access and multifactor authentication across Microsoft 365, with legacy authentication switched off
- Privileged access and privileged identity management so admin rights are granted just in time and removed afterwards
Exposure and recovery
- Rapid7 InsightVM vulnerability scanning on a schedule, with findings fixed rather than filed
- Cisco Meraki or Fortinet firewall management, segmentation and DNS filtering on office and remote devices
Law office: layered security on Microsoft 365 with cloud-to-cloud backup
A 25-attorney firm needed client confidences protected better than a closet server could manage. Alongside a Microsoft 365 migration, NetSys layered anti-phishing and email threat protection, DNS filtering, multifactor authentication on every account and endpoint protection across attorney devices in the office and remote, and established independent cloud-to-cloud backup of the entire tenant because the recycle bin is not a backup strategy for privileged material. The firm reported 82% fewer IT support incidents per month within two quarters.
Cybersecurity work for other clients
- Insurance
Regional title insurance company
Barracuda email protection for 85 users, phishing simulations, employee security training, and MFA deployment.
Security Awareness & Phishing TrainingIT for Insurance Agencies and Brokers
Client names are withheld. These examples were chosen for the work involved, not for where the client is, so none is presented as a San Jose client.
What cybersecurity costs in San Jose
Cybersecurity is priced per user per month when it runs as an ongoing service, and per project for an assessment or a remediation. What moves the number: how many devices and identities are in scope, how much incident remediation and recovery is needed beyond the monitoring and authorized MDR actions in scope, which compliance standard the evidence has to satisfy, and whether the Microsoft 365 tenant is already on Business Premium or the security tooling comes from us. The free external penetration test costs nothing and runs remotely before any of that. Our managed IT pricing page explains how the fee is built.
Who this fits, and who it does not
Best fit: businesses with enough people, money movement or regulated data that a breach would hurt, and no security team of their own: professional practices, healthcare groups, importers, financial firms, nonprofits and agencies holding client credentials. Companies with an internal IT person fit as a co-managed arrangement.
Read next
Industry pages: IT for Manufacturing · IT for Professional Services & Consulting
Terms used on this page: Managed Detection and Response (MDR) · Endpoint Detection and Response (EDR) · Conditional Access
Guides: MDR versus antivirus for a small business · the Conditional Access policies to turn on first
Related pages
Read the full Cyber Security service page. See everything NetSys delivers in Palo Alto, CA.
Also in San Jose: IT Consulting · Managed IT Services · IT Support
Cybersecurity elsewhere: Palo Alto · Los Angeles · San Diego · California · Irvine · Orange County
Related services: Penetration Testing · Cyber Insurance Readiness · Security Assessments · Managed Detection & Response (MDR)
Cybersecurity in San Jose: FAQs
How does cybersecurity work for San Jose organizations?
Everything runs remotely from Brooklyn. Agents on each device report to our monitoring around the clock, and an engineer can isolate a machine, stop a process or lock an account from here at any hour. Help desk engineers work 4 a.m. to 11 p.m. Eastern every day, so a San Jose user can reach one from 1 a.m. until 8 p.m. local time with a security question. There are no NetSys staff in San Jose to send; new hardware ships pre-configured, and your staff or cabling contractor connects it. Agreements run month to month.
How much do cybersecurity services cost in San Jose?
Managed security carries a per-user monthly fee, worked out from an assessment, and there is no public rate card. What changes it most is the head count and device count, whether servers or lab machines need protection, how many mailboxes sit behind Barracuda, and whether you need compliance evidence for a customer, an insurer or a defense prime. One-off work, such as fixing what the penetration test finds, a Conditional Access redesign or a data-labeling project, is quoted separately after scoping. The external penetration test that usually starts the conversation costs nothing.
Do you offer managed security services and cybersecurity consulting in San Jose?
Both. Managed security is the ongoing service: MDR, email filtering, scanning, training, backups and someone accountable for every alert. Consulting covers the projects around it, such as a written information security program, answering a customer's security questionnaire, preparing a NIST SP 800-171 self-assessment and SPRS score, or designing access controls for export-controlled engineering data. Companies that already have an IT person often keep that person for daily support and hand us the security stack, with the split written into the agreement.
Which cybersecurity requirements apply to businesses in San Jose?
Most companies start with California's reasonable security duty and the 30-day breach notice rule in Civil Code 1798.82. The CCPA covers for-profit businesses that meet one of its tests, including annual gross revenue above $26,625,000, and newer California Privacy Protection Agency rules require annual cybersecurity audits from businesses whose processing presents significant risk, with the first certifications due April 1, 2028 for the largest. Medical practices add the HIPAA Security Rule and the Confidentiality of Medical Information Act. Defense suppliers add the DFARS 7012 clause and the NIST SP 800-171 controls behind it. We map which apply during the assessment.
What happens if ransomware hits our San Jose office overnight?
Monitoring does not stop at 8 p.m. Pacific. If ThreatDown flags encryption or a known ransomware tool at 3 a.m., the engineer on call isolates the affected machines, disables the accounts involved and phones the contact on your incident list. Recovery starts from immutable backup copies, which an attacker holding your administrator password still cannot delete. Across the more than 30 ransomware cases NetSys has handled in the past three years, every client was fully recovered, and those with a disaster recovery plan were back at work inside 24 hours.
See what an attacker sees before they do.
The free assessment is a remote external penetration test, limited to the information available to NetSys and the external scope we agree with you. Internal reviews and ongoing security management are scoped separately.