How To Protect Against Zero-Day Vulnerabilities And Long-Term Risk

Strengthen Personal Security Against Emerging Threats

I’m optimistic that advancements in AI tools for code review and pen testing will help solve zero-day attacks. A few actions can make a real difference for individuals. Enable multifactor authentication on every account and app. Do not reuse passwords; make them unique for each account and app, either through your own system or a password manager. Better yet, use a passkey. – Mark Beare, Malwarebytes

Prepare For AI-Powered Exploits At Machine Speed

We are entering an era where attackers can use AI systems to discover and operationalize zero days at machine speed. That changes the economics of cyber offense entirely. Businesses should assume compromise is possible and focus on containment, least privilege, runtime monitoring and rapid-response capabilities that limit blast radius. – Sreenath Kurupati, Straiker

Forbes Technology Council is an invitation-only community for world-class CIOs, CTOs and technology executives. Do I qualify?

Shift To Continuous Security Management

Traditional threat and vulnerability management solutions result in predictable patch management strategies that follow monthly cycles driven by legacy internal audit and controls assurance models. To avoid a drag on innovation, link threat intelligence, vulnerability management and patch management into a continuous model to ensure application currency and infrastructure security. – Mark Brown, The Mark of Security Ltd.

Protect Trust Through Stronger Cyber Hygiene

Over time, zero-day attacks make people stop trusting software at all. That fear slows innovation and security work. Businesses should patch fast and limit network access. Individuals must turn on automatic updates and run daily tasks without admin rights. Small habits stop big break-ins. – Rohan Pinto, 1Kosmos BlockID

Build Resilience For Less Predictable Threats

The long-term consequence of zero-day attacks is the collapse of “digital predictability.” As AI accelerates exploit discovery, enterprises can no longer trust exposure windows, patch cycles or perimeter assumptions. The advantage shifts to organizations built for adaptive resilience through runtime isolation, identity-based segmentation, behavioral telemetry and continuous recovery testing. – Kiran Elengickal, Siemba

Prioritize Vulnerabilities Based On Business Risk

One long-term consequence is that the gap between zero-day discovery and exploitation will keep shrinking, especially as AI accelerates offensive research. Organizations need to develop strong processes to prioritize what is truly critical within their business context, factor in compensating controls, and maintain rapid-response paths to fix or mitigate the highest-risk issues before they are exploited. – Avi Shua, Orca Security

Fragment Data To Limit Attackers’ Access

Businesses keep defending the wrong layer. Patching and detection assume attackers will reach intact data, so every zero day puts the full dataset at risk. Fragment data, encrypt the pieces and distribute them across isolated storage locations. The exploit still succeeds, but the attacker walks away with fragments that can’t be reassembled. – Greg Salvato, TouchPoint One

Use Risk Intelligence To Find Real Exposure

Zero-day vulnerabilities are exposing a dangerous assumption in cybersecurity: that someone else will find the risk, validate the threat and eventually fix it. Meanwhile, organizations carry the exposure. The future belongs to businesses that move beyond reactive patching toward proactive risk intelligence, focusing on the vulnerabilities that actually threaten their environment and operations. – Tomás O’Leary, Origina

Catch Silent Compromises Through Continuous Monitoring

Zero‑day vulnerabilities create a long tail of silent compromise: Attackers can sit undetected for months, shaping a persistent advantage. The best defense is relentless hygiene: rapid patching, strong isolation, high-level authentication and continuous monitoring. A single unknown flaw can’t be allowed to become a systemic breach. – Henry Patishman, Regula

Detect Unknown Threats Through Behavioral Analysis

When defenses rely on known threats, zero days expose a dangerous blind spot. For example, every AI-generated attack is effectively a zero day—unique and invisible to legacy tools. Businesses must move beyond signature-based defenses that detect known threats. Instead, AI can help detect anomalies in real time, recognizing what “normal” looks like and flagging what isn’t. – Mike Britton, Abnormal AI

Reduce Legal And Regulatory Risk After Breaches

A zero-day breach can create long-term regulatory and legal risk, especially when sensitive data was not protected properly. Businesses may face investigations, fines, lawsuits and loss of trust, so they should keep strong security controls, audit logs, compliance records and clear response plans. Individuals should share less personal data and review privacy settings often. – Salice Thomas, Wipro Limited

Treat Unknown Exposure As A Business Risk

Zero days will make “unknown exposure” a board-level metric. The real damage is not one exploit; it is not knowing which asset, vendor or API can become a doorway overnight. Protect by mapping internet-facing assets, reducing reachability, enforcing least privilege, isolating critical systems and rehearsing recovery before the patch exists. – Akhilesh Sharma, A3Logics Inc.

Map Third-Party Dependencies Before A Crisis Hits

Zero days erode systemic trust, creating long-term challenges not just in software but also in the supply chains that depend on it. A single unpatched vulnerability can cascade across thousands of interconnected vendors. Businesses must move beyond perimeter defense to map third-party dependencies proactively and build resilience through rapid detection and response protocols. – Yardley Pohl, interos.ai

Focus On Rapid Response And Recovery

The foundational approach of “protection” is becoming harder and harder. Threats evolve faster than organizations can react, and breaches are in the news daily, often before a fix even exists. Prevention is not enough. Zero trust, layered security, monitoring and resilience are critical. The goal is no longer just preventing attacks but responding and recovering quickly. – Ann Westerheim, Ekaru

Fight Hidden Exploits With Layered Defenses

Zero days drive an unseen arms race: Hidden bugs can linger indefinitely, eroding trust and fueling stealthy attacks. Businesses should prioritize aggressive patch management and proactive threat hunting. Individuals must keep devices updated and use layered defenses—such as patches, antivirus software or firewalls—to mitigate these risks. – Dan Haiem, AppMakers USA

Prioritize Real Exploitability Over Theoretical Risk

Zero days will be zero hours in a year. The long-term impact is a mindset shift from risk elimination to prioritization via asset intel and continuous security testing, focused on real exploitability. The short-term impact is a shift from detection-heavy strategies toward tighter exposure management on identity and cloud entitlements and response playbooks that assume less human reaction time. – Ido Geffen, Novee Security

Prepare For Democratized Zero-Day Discovery

The long-term consequence most organizations miss is this: AI has democratized zero-day discovery. What once required nation-state resources now requires a capable model and a motivated actor. The attack surface is not just growing; the speed of exploitation is outpacing every patch cycle. Assume breach; build for recovery. – Manas Chaudhari, Meta

Limit Damage From Fast-Spreading Exploits

A key long-term risk is exploit commoditization and rapid propagation. Once a zero day is discovered, it can be weaponized and reused across shared libraries and vendors, affecting many systems at once. Businesses should strengthen continuous vulnerability management and cross-system pattern detection, while individuals can reduce exposure with automated updates, multifactor authentication and backups. – Daniel Gumucio, AssureSoft

Prioritize Reachability When Patching Isn’t Immediate

A key risk is the collapse of the predictive window. Median time from disclosure to confirmed exploitation dropped to five days in 2025. If you can’t patch immediately, segment. A critical zero-day attack on an unreachable asset is a maintenance task, not an emergency. Prioritize by reachability, not just severity. A vulnerability with no network path for an attacker is not our most urgent problem. – Diptamay Sanyal, Crowdstrike

Make Vendor Response Expectations Enforceable

One long-term consequence is a growing reliance on vendor trust over verifiable security. In tech sourcing, I’ve seen organizations assume vendors will patch fast enough, but zero-days don’t follow timelines. The risk compounds across dependencies. A practical step is building stronger vendor due diligence and response SLAs, so resilience isn’t assumed—it’s contractually enforced. – Prajkta Waditwar, Box Inc.