Blog

Insights from PortSys

Security research, zero trust architecture, and practical guidance from the team building Total Access Control.

ProductivityJanuary 14, 2026

The End User Experience with TAC: Simpler Access, Zero Frustration

One login. Every application. The same experience wherever you work. How TAC eliminates the daily friction of enterprise access and turns security into something users barely notice.

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Artificial IntelligenceOctober 15, 2025

The AI Agent Identity Problem Nobody Is Talking About

Enterprises are deploying AI agents at scale. Almost none of them are governing what those agents can access — or even know what they are doing.

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Implementation GuideSeptember 8, 2025

Why Most Zero Trust Deployments Fail on Legacy Apps

Every enterprise has applications that were built before zero trust existed. Here is why modern identity platforms cannot protect them — and what to do about it

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Best PracticesJuly 22, 2025

47 Open Ports to One: A CISO’s Guide to Attack Surface Reduction

The average enterprise firewall has dozens of open inbound ports. Each one is an attack vector. Here is how to close them — and why most tools cannot.

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ComplianceMay 14, 2025

TAC and NIST 800-207: A Complete Zero Trust Alignment

NIST SP 800-207 defines what zero trust architecture should look like. Here is how TAC implements every tenet — and why most tools only implement some of them.

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Access ControlFebruary 11, 2025

Secure Access for Contractors, Consultants, and Third Parties: How TAC Keeps Outsiders in Their Lane

Giving a contractor access to one system should not mean giving them access to everything. How TAC delivers precise, auditable, third-party access — from a single application to a fully scoped portal.

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Access ControlAugust 14, 2024

CMMC 2.0 Is Here: What Defence Contractors Need to Know About Access Control

CMMC 2.0 is now phasing into DoD contracts. Here is where most contractors fall short on access control and authentication requirements — and how to close the g

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Access ControlApril 3, 2024

The Non-Human Identity Problem: Service Accounts, API Keys, and the Credentials Nobody Governs

Non-human identities now outnumber human ones in most enterprises by ratios of 10:1 or more. They are also dramatically less governed. Here is why that matters

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Future TrendsMarch 1, 2023

Future Trends in Access Control Technology

A forward‑looking analysis of emerging technologies—passwordless, blockchain, and AI—that will shape the next generation of access control.

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SecurityFebruary 23, 2023

An Overview of Total Access Control (TAC) from PortSys

An Overview of Total Access Control (TAC) from PortSys By Dr. Edward Amoroso CEO, TAG Cyber   This is the final of a series of five blog posts by analysts

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IntegrationFebruary 22, 2023

Integrating Total Access Control with Your SIEM Solution

Step‑by‑step instructions for connecting PortSys TAC to leading SIEM platforms to enrich threat detection and response.

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SecurityFebruary 17, 2023

Using Reverse Proxies to Secure Endpoints in a Zero Trust Environment

Reverse proxies are a foundational component of Zero Trust architecture. Learn how TAC uses reverse proxy technology to enforce access control.

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Remote WorkFebruary 16, 2023

Securing Remote Workforces with Zero Trust Access

Learn how to protect distributed teams using Zero Trust principles, MFA, and PortSys Total Access Control (TAC).

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SecurityFebruary 15, 2023

Best Practices for Application Security in a Zero Trust Environment

Application security in a Zero Trust world requires a different approach. Here are the key practices organizations should adopt.

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Business ValueFebruary 9, 2023

The Business Value of Simplified Access Control

Discover how streamlined access management drives productivity, reduces risk, and improves ROI for enterprises.

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SecurityFebruary 3, 2023

The Role of Identity and Access Management (IAM) in a Zero Trust World

IAM is central to Zero Trust. Discover how identity verification, device trust, and access governance work together.

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ComplianceFebruary 2, 2023

Compliance Made Easy with Total Access Control

Learn how PortSys TAC helps organizations meet GDPR, HIPAA, and CMMC requirements through automated audit trails and policy enforcement.

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Artificial IntelligenceJanuary 26, 2023

How AI is Transforming Identity and Access Management

Discover the role of artificial intelligence in modern IAM, from threat detection to automated provisioning, and the advantages for PortSys TAC customers.

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SecurityJanuary 25, 2023

Achieving Zero Trust Is a Journey, not a Destination

Zero Trust is not a product you buy — it’s a security posture you build over time. Here’s how to start and sustain the journey.

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Best PracticesJanuary 19, 2023

Top Five Common Access Control Mistakes and How to Avoid Them

Identify frequent pitfalls in access management and learn practical tactics to correct them using PortSys TAC solutions.

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Access ControlJanuary 12, 2023

Implementing Total Access Control Step by Step

A practical guide that walks security teams through deploying PortSys Total Access Control (TAC) from planning to production.

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Access ControlJanuary 5, 2023

Why Zero Trust is the Future of Access Control

Explore how Zero Trust principles reshape access control, reduce risk, and align with PortSys Total Access Control (TAC) solutions.

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SecurityJune 5, 2022

Just One Crack

It only takes one vulnerability to expose your entire organization. Learn why perimeter-based security is no longer enough.

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SecurityFebruary 24, 2022

CISA Shields Up Alert on Russia: What You Need to Know

CISA’s Shields Up directive urged organizations to strengthen their defenses. Here’s what it means for access control and Zero Trust.

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SecurityJanuary 12, 2022

Leonardo DaVinci was right – about IT security

The Renaissance master’s principles of observation and systems thinking apply surprisingly well to modern cybersecurity challenges.

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SecurityJanuary 4, 2022

Security: 5 Key Questions Board Members Should Ask

Boards are increasingly accountable for cybersecurity. These five questions help executives understand their organization’s true risk posture.

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SecurityDecember 16, 2021

Apache Log4j: Same Wolf, Different Vulnerability

The Log4j vulnerability exposed the fragility of software supply chains. Here’s what it means for access control and Zero Trust defenders.

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SecurityDecember 9, 2021

Make Your Own IT Security News with Zero Trust

Instead of reacting to breaches, organizations can get ahead of threats with a proactive Zero Trust access control strategy.

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SecurityDecember 9, 2021

Cost Optimization with Zero Trust Access Control (Part 2)

Part 2 dives deeper into the financial case for Zero Trust, including VPN replacement savings and reduced breach costs.

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SecurityDecember 2, 2021

Cost Optimization with Zero Trust Access Control (Part 1)

Zero Trust isn’t just more secure — it’s more cost-effective. Part 1 explores how TAC eliminates expensive legacy tools.

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SecurityNovember 22, 2021

Don’t Make Hackers at Home for the Holidays

Holiday periods are peak season for cyberattacks. Here are the steps security teams should take to stay protected.

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SecurityNovember 11, 2021

Cost Optimization: Making the Most of Modern Security

Modern security tools often overlap. Here’s how to consolidate and optimize your security stack without sacrificing protection.

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SecurityNovember 4, 2021

Supply Chain Security: Why You Don’t Have to Be the Target

The SolarWinds attack showed that attackers don’t need to target you directly. Zero Trust limits the blast radius of supply chain attacks.

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SecurityOctober 21, 2021

Cost Optimization: Patching – Minimize Your Attack Surface

Patching is essential but expensive. Zero Trust access control reduces reliance on patching by limiting what attackers can reach.

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SecurityOctober 14, 2021

Zero Trust Access: Security Designed for Today’s World

Today’s hybrid workforce demands a new approach to access control. Zero Trust meets users where they are — securely.

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SecurityOctober 7, 2021

Cost Optimization: Security – The Strategic Imperative

Security and cost optimization aren’t mutually exclusive. Learn how a consolidated access control platform reduces spend while improving posture.

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SecuritySeptember 1, 2021

Access Control Plays Key Role in NSA’s New Zero Trust Guidance

The NSA’s Zero Trust guidance places access control at the center of a mature security program. Here’s how TAC aligns.

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SecurityJuly 22, 2021

Solving IoT’s Access Control Challenge

IoT devices expand the attack surface dramatically. Learn how Zero Trust principles apply to machine and device identity.

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SecurityMarch 18, 2021

Hafnium Exchange Zero Day Attack: What You Need to Know

The Hafnium Exchange attack exploited on-premises email servers. Zero Trust access control limits exposure to zero-day vulnerabilities.

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SecurityJuly 1, 2020

Shifting to a More Secure SharePoint Experience

SharePoint contains sensitive data but is often over-exposed. Here’s how Zero Trust access control protects your SharePoint environment.

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SecurityJune 18, 2020

Secure Legacy Apps? Not Such a Remote Possibility

Legacy applications don’t have to be a security liability. TAC’s reverse proxy approach secures them without costly rewrites.

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