Nessus Essentials: Complete Guide for Security Professionals (2026)
Tenable’s free Nessus Essentials provides the same scanning engine and full plugin library as its paid versions, but restricts users to 16 IP addresses per activation and omits compliance, content‑audit, live‑update, virtual appliance, and agent capabilities. The rebranding removed the non‑commercial use clause, allowing educational and limited professional assessments, yet the permanent IP count means additional scans require a new activation code. Pricing for the next tiers starts at $3,990 per year for Nessus Professional and $5,990 for Expert, which unlock unlimited assets, compliance templates, and advanced features. The guide advises using Essentials for labs, certifications, and small proof‑of‑concepts while recommending an upgrade for any production vulnerability‑management program.
Introduction to Risk Management: A Complete Guide for Security Professionals
Dr. Erdal Ozkaya’s free guide delivers a complete, step‑by‑step introduction to cyber risk management, covering definitions, the seven core concepts, quantitative formulas, and the NIST Risk Management Framework. It shifts security teams from reactive alert firefighting to strategic decision‑making by...
Digital Forensics and Incident Response (DFIR): A CISO’s Guide
Digital Forensics and Incident Response (DFIR) combines evidence collection with threat containment, forming a critical capability for CISOs. The guide outlines core functions—evidence preservation, malware and network analysis, and emerging cloud forensics—while stressing the need for pre‑enabled logging. It recommends...
OT Network Segmentation: A Practical Guide for Security Teams
Network segmentation is the most effective control for safeguarding operational technology (OT) environments, limiting attackers to isolated zones rather than allowing lateral movement. Implementing segmentation in OT differs from IT because industrial protocols and legacy equipment resist typical firewall solutions...
Incident Response Planning for Business Continuity
Organizations lacking a tested incident response plan face escalating costs, reputational damage, and evidence loss during cyber attacks. The article outlines the NIST incident response lifecycle—preparation, detection, containment, and post‑incident review—and stresses integrating business continuity to meet recovery time objectives....
OT vs IT Security: Why Industrial Environments Need Different Protection
The 2021 Oldsmar water‑treatment hack exposed how connected operational technology (OT) can be weaponised, highlighting the stark contrast between OT and traditional IT security. In OT, availability outweighs confidentiality, because a brief outage can trigger safety incidents or regional blackouts....
The CISO as a Business Leader: Moving From the Server Room to the Boardroom
The article argues that the modern CISO must become a business leader, not just a technical specialist. It stresses translating technical risk into revenue‑impact language for the board. Key skills include aligning security initiatives with business outcomes, building executive relationships,...
Quantum-Safe Security: What CISOs Need to Know Now (Before It’s Too Late)
Quantum computing threatens to break today’s asymmetric encryption, making current data protection obsolete. The most immediate risk is a “harvest now, decrypt later” attack, where adversaries steal data today and decrypt it once quantum capabilities mature. Experts estimate viable quantum...
The Ozkaya AI Governance Framework (OAIGF): Architecting Trust and Resilience in the AI Enterprise
The Ozkaya AI Governance Framework (OAIGF) is a practitioner‑driven methodology that equips CISOs with a comprehensive blueprint for secure, ethical, and compliant AI deployment at enterprise scale. Building on standards such as NIST AI RMF and ISO/IEC 42001, the framework defines...
Beyond the CLI: 5 Governance Questions Every CISO Must Ask Before Deploying Claude Code
Anthropic’s Claude Code introduces a CLI‑based AI agent that can navigate repositories, draft patches, and run tests, turning code remediation into a near‑instant process. While the speed gains are compelling, the tool also grants autonomous execution rights that blur traditional...
Auto Draft
Veteran CISOs are urged to abandon technical dashboards and become business risk leaders who speak the board’s language. By translating security concepts into revenue‑impact terms, aligning initiatives with corporate growth plans, and quantifying cyber risk in monetary values, they secure...
AI Didnt Break Cybersecurity
The author argues that AI did not break cybersecurity; longstanding governance failures did. AI merely amplified existing shadow‑IT practices and unclear risk ownership, exposing gaps that boards and CISOs have ignored. The piece calls for a shift from treating security...
Bridging Compliance and Cybersecurity in Financial Reporting in 2026
The SEC is drafting rules that will require public companies to disclose their cybersecurity controls as part of regular financial reporting. This links cyber risk directly to compliance, forcing firms to treat security as a core reporting element. The article...
Governing Cybersecurity in the AI Era -Pwc Workshop 2026
PwC‑affiliated firm A.F. Ferguson & Co. hosted a one‑day masterclass titled “Governing Cybersecurity in the AI Era – Digital Trust, Risk & Resilience” on 22 January 2026 in Karachi. More than 100 senior technology and business leaders, including CISOs, CIOs and CFOs,...
The Definitive 2025 Cyber Rewind & 2026 Roadmap
At SECON’s 2025 and 2026 conferences, the author highlighted a seismic shift in cyber risk, moving from classic phishing to automated, credential‑based attacks and AI‑driven threats. Data shows MFA bypass rates soaring to 45%, ransomware focusing on data theft, and...
