It’s crucial for organizations to stay vigilant and informed as cybersecurity threats continue to evolve. We asked industry experts to share one common cybersecurity mistake they see organizations making. Learn how these mistakes can be avoided and the potential consequences of not addressing them, so you can enhance your business’ security posture and protect your assets.
- Integrate Compliance with Operational Systems
- Empower Employees as Cybersecurity Defenders
- Implement Role-Based Access Control
- Cultivate Ongoing Cybersecurity Habits
- Eliminate Ghost Accounts Through Regular Audits
- Enforce Multi-Factor Authentication Across Systems
- Secure APIs and Application Layers
- Deploy Comprehensive Multi-Factor Authentication
- Build Operational Trust Beyond Technical Tools
- Strengthen Password Policies and Management
- Enforce Strong Password Policies Company-Wide
- Conduct Regular Security Awareness Training
- Implement Principle of Least Privilege
- Maintain Up-to-Date Asset Inventory
- Align Cybersecurity with Organizational Strategy
15 Common Cybersecurity Mistakes to Avoid Costly Oversights
Integrate Compliance with Operational Systems
One of the most common issues I see in cybersecurity programs is that compliance and operations are treated as separate tracks. Organizations often prepare for audits like SOC 2, ISO 27001, or PCI DSS with short bursts of activity instead of building systems that maintain readiness all the time. The frameworks themselves are solid. The problem is usually in how they’re applied, disconnected from day-to-day infrastructure and security processes.
Controls tend to be implemented in ways that meet documentation requirements but don’t reflect how the environment actually runs. Access reviews might be performed annually, but they’re not integrated with identity and provisioning systems. Logging exists, but no one is analyzing it systematically. Vulnerability scans are performed on a schedule, but the output doesn’t connect to remediation workflows or business risk.
What we recommend, and what we’ve implemented across many client environments, is a shift toward embedding controls into operational tooling. Access controls should be tied into centralized identity platforms and managed through provisioning workflows. Vulnerability data should be prioritized by exploitability and asset value, with remediation tracked through ticketing systems. Logging needs to be centralized, enriched, and actively reviewed, not just collected. Change control should be embedded into DevOps pipelines where possible, with version history and approvals documented as part of the deployment process.
One of the things I often say internally is that compliance done right should reflect how your systems actually work, not how they look on paper. If the controls are embedded into your workflows, then the evidence is already being generated passively. That is what we aim for: real-time, resilient compliance that operates as part of the business, not just for the sake of the audit.
That is also where things are headed industry-wide. Compliance is evolving from a periodic checkpoint to a continuous assurance model. For that to work, the control environment has to be live, connected, and operationally meaningful. Not only does that make you more secure, but it also makes you more efficient.
Trevor Horwitz
Ciso, TrustNet
Empower Employees as Cybersecurity Defenders
I’ve been doing cybersecurity consulting since 2008, and the biggest mistake I see is organizations thinking their employees are their weakest link when they’re actually their strongest defense — if you train them properly.
Just last year, I worked with a manufacturing company in New Jersey that had zero security awareness training. Their accounting department was getting hit with phishing emails daily, and one employee nearly wired $75,000 to scammers who spoofed their CEO’s email. We implemented monthly 15-minute security briefings where I show real phishing attempts we’ve intercepted, and now that same team catches and reports suspicious emails before they spread.
The consequences of untrained staff are brutal. I’ve seen businesses lose everything because someone clicked a ransomware link or gave out login credentials over the phone. That same manufacturing client would have been out of business if their bank hadn’t flagged the wire transfer as suspicious.
The fix is simple but requires consistency — make cybersecurity education part of your company culture, not a once-a-year PowerPoint. Show your team real examples of current threats targeting your industry, and they’ll become your best firewall.
Paul Nebb
CEO, Titan Technologies
Implement Role-Based Access Control
The biggest mistake I see is businesses relying solely on firewalls and antivirus software as their complete security solution. They install these tools and assume they’re fully protected, but that’s like locking your front door while leaving all your windows wide open.
Here’s the reality: 92% of malware comes through email, according to Verizon’s data breach report. Your firewall won’t stop an employee from clicking a malicious link or downloading a compromised attachment. I’ve seen countless Utah businesses get hit with ransomware because they had excellent perimeter security but zero internal controls.
The fix is implementing role-based access control alongside your existing security tools. Limit who can access sensitive data by job function, not convenience. When we audit clients, we regularly find that 80% of employees have access to data they never actually need for their work.
The consequences are brutal — we’ve seen small businesses face $120,000 to $1.24 million in breach costs. One client’s accounting department got hit with ransomware that spread company-wide because everyone had admin-level access to the file server. The attack could have been contained to a single computer if proper access controls were in place.
Mitch Johnson
CEO, Prolink IT Services
Cultivate Ongoing Cybersecurity Habits
One of the most common cybersecurity mistakes I see is the classic “set and forget” mindset, treating security like a checkbox rather than an evolving process.
Organizations will invest in shiny tools, conduct one round of training, and then assume they’re safe. The problem with this approach is that threats evolve constantly, as do internal vulnerabilities (have you ever seen what happens when someone shares their password on a sticky note?). I once worked with a company that had not updated access controls in years, only to discover former contractors still had live credentials, essentially leaving the back door wide open.
Avoiding this mistake requires making cybersecurity an ongoing habit. There should be regular audits, continuous employee education, and reviewing access rights as if your company’s valuables depend on it — because they do. The consequences of ignoring this are data breaches, regulatory fines, reputational damage, and an all-you-can-eat buffet for cybercriminals.
I have seen through experience that security is not about fear; it’s about discipline. It can be thought of as flossing: even though it’s annoying, neglecting it long enough will cause you a lot of pain.
Jason Hishmeh
Author | CTO | Founder | Tech Investor, Increased, Varyence and Get Startup Funding
Eliminate Ghost Accounts Through Regular Audits
The biggest mistake I see is businesses completely ignoring “ghost accounts” — user profiles that stay active after employees leave. Most organizations focus on the obvious stuff like firewalls and antivirus, but they’re getting breached through accounts that shouldn’t even exist anymore.
I recently worked with a San Marcos business that found they had 47 active user accounts for a team of 23 people. Former employees from 2019 still had full access to their systems. One of those dormant accounts was being used by attackers to access their financial data for months before anyone noticed.
The fix is simple but requires discipline — conduct monthly user access audits and immediately deactivate accounts when people leave. Set up automated alerts when accounts haven’t been used for 30+ days. I tell clients to treat it like changing locks when someone moves out of your house.
The consequences are brutal because these accounts are invisible to most monitoring systems. Cybercriminals love them because they can operate under legitimate credentials without triggering security alerts. We’ve seen businesses lose everything from customer databases to financial records through accounts that belonged to people who quit years ago.
Randy Bryan
Owner, tekRESCUE
Enforce Multi-Factor Authentication Across Systems
One of the most common cybersecurity mistakes I see organizations making is not utilizing multi-factor authentication for any technology that is exposed to the internet. Bad actors are constantly finding new ways to attack IT systems, and advancements with AI are just making it harder for end-users to know if emails, web pages, and attachments are legitimate.
Multi-factor authentication ensures that if a user’s credentials are compromised, the user would be prompted for a login approval — a critical step that can keep out threat actors. Fortunately, most systems have MFA capabilities, but businesses often opt out of their use because either they don’t understand the risk or are not aware of the security features of their information systems.
Robert Gaines
Vice President, Digital Forensics and Incident Response, Packetwatch
Secure APIs and Application Layers
One mistake I see too often is that companies pour all their energy into securing the perimeter. In doing so, their APIs and application layers remain exposed. With microservices and interconnected platforms, APIs are the new front door for attackers. Yet, many organizations still treat API security like a simple checklist. This is exactly where attackers find opportunities by manipulating business logic or linking small vulnerabilities across services.
The real danger is not just stolen data. It is the risk of your core business operations being compromised. If you are not actively monitoring how your APIs behave under real-world conditions, you will miss the early signs of fraud, data poisoning, or service disruptions. These can escalate quickly. That’s why security today needs to be continuous and adaptive because static defenses cannot protect dynamic systems.
Dharmesh Acharya
Co-Founder, ZeroThreat
Deploy Comprehensive Multi-Factor Authentication
One common cybersecurity mistake organizations often make is failing to implement a comprehensive multi-factor authentication (MFA) system across all critical systems and applications.
MFA adds an extra layer of security by requiring more than just a username and password to authenticate a user, such as a text message code or biometric verification.
Organizations can mitigate this risk by ensuring that MFA is enabled for all user accounts, especially for those with access to sensitive data and systems. It’s important to use MFA across VPNs, cloud services, email systems, and any internal tools.
Regular employee training on the importance of MFA and the consequences of bypassing it should also be a part of the organization’s security culture.
Failing to implement MFA makes organizations highly susceptible to phishing attacks, password theft, and brute-force attacks. Without MFA, if a hacker gains access to a user’s credentials, they can easily access systems without any additional barriers.
The consequences of this mistake can include data breaches, financial losses, and damage to the organization’s reputation. In industries that handle sensitive data, such as finance and healthcare, this can lead to regulatory fines and legal action.
Sarthak Dubey
Co-Founder, Mitigata: Smart Cyber Insurance
Build Operational Trust Beyond Technical Tools
One of the most common — and quietly dangerous — cybersecurity mistakes we see across companies is over-indexing on technical tools while ignoring trust as a human behavior. It’s easy to buy a new endpoint agent or DLP software and feel secure. But real risk hides in the cracks of human misunderstanding, misalignment, and misplaced assumptions.
We saw this firsthand with a mid-sized SaaS company preparing for SOC 2. Their security stack was impressive — SIEMs, EDR, MFA, you name it. But when we dug into user access reviews, things started unraveling. Engineers still had production access after changing teams. An intern had admin rights on Jira. A terminated employee’s account was still active on Slack.
They weren’t negligent. They had policies. But policies don’t mean much if no one knows who’s accountable. The CISO assumed HR would trigger offboarding workflows. HR assumed IT handled it. IT said they never got notified. The problem wasn’t tooling — it was ownership.
So we helped them shift their approach. Instead of treating security as a technical checklist, they began embedding accountability into workflows. Department heads were assigned control ownership in our platform. Access reviews became routine, not reactive. And responsibilities were made crystal clear. Not through a 50-page policy document, but through operational hooks — who clicks what, when, and why.
This is where we see the difference between compliance theater and operational trust. When a SOC 2 auditor asks about access controls, you don’t want to fumble around for evidence. You want to show that your system works because people use it.
The real consequence of missing this? It’s not just a failed audit. It’s the slow erosion of trust. Between departments. With customers. With regulators. And unlike malware or phishing attacks, you can’t isolate that kind of breach with an agent or firewall.
Trust is a shared behavior. The companies that succeed in security are the ones that build muscle memory around it — not just buy tools to pretend they have it.
Akshay Venkatachalam
Director of Growth, TrustCloud Corporation
Strengthen Password Policies and Management
The most common cybersecurity mistake organizations make each year is using weak or reused passwords.
In 2024, over 80% of data breaches involved compromised credentials. This often happens because employees choose simple passwords for convenience, reuse the same passwords across multiple accounts, or avoid using password managers due to a lack of training or awareness.
This can be avoided by implementing strong password policies, encouraging the use of password generators and managers, and enabling multi-factor authentication. That being said, good password management doesn’t stop there; employees should change their passwords every 3 months or so, or if they suspect their account is being targeted by hackers.
Fran Villalba Segarra
CEO, Internxt
Enforce Strong Password Policies Company-Wide
One common security mistake I have consistently observed in organizations is poor password security. This includes reusing passwords and using weak ones. I’m not just referring to the organization as a whole; some employees use weak passwords like “qwerty” or “123456” for their work accounts. Having even a single employee who uses a weak password creates an easy entry point for attackers. When hackers gain access to that employee’s account, it puts the entire organization at risk, potentially leading to data breaches.
To address this issue, companies should commit to enforcing strong password policies. Everyone should be required to use strong, unique passwords for every system. These passwords should be at least 16 characters long and include a mix of letters, numbers, and special characters.
If the business has the budget for it, it’s ideal to use a password manager like Bitwarden. It greatly assists in creating and safely storing strong passwords.
James Wilson
Personal Cybersecurity Expert, My Data Removal
Conduct Regular Security Awareness Training
One of the most common mistakes we see is organizations failing to implement regular employee security awareness training. The world of cybersecurity moves quickly, and there are always new threats emerging, meaning companies must routinely educate their teams on the latest attacks. Phishing, social engineering, and insecure online practices leave organizations vulnerable to a myriad of common threats. By reminding team members about the importance of security protocols, as well as new threats that could catch them off guard, it’s possible to prevent everything from data theft to ransomware attacks.
Aimee Simpson
Director, Product Marketing, Huntress
Implement Principle of Least Privilege
One common cybersecurity mistake I see is organizations granting excessive access privileges to users and systems. This often happens for convenience but creates serious security vulnerabilities. Without proper controls, a single compromised account can lead to widespread breaches. To avoid this, companies should enforce the principle of least privilege, regularly audit access rights, and implement Privileged Access Management (PAM) solutions. It’s also essential to use multi-factor authentication and monitor privileged sessions. Ignoring this issue can result in data loss, ransomware attacks, and significant reputational damage. We always emphasize that strong access control is a non-negotiable part of a modern cybersecurity strategy.
Peter Wainaina
Account Manager, CARREL TECHNOLOGIES LIMITED
Maintain Up-to-Date Asset Inventory
Following the simple principle, “You can’t protect what you don’t know you have,” many organizations overlook the most fundamental step in cybersecurity: maintaining an up-to-date inventory of all assets, whether digital or physical. Without this visibility, it becomes difficult to implement effective controls, increasing exposure to potential attacks.
We help organizations stay ahead of these risks by building and maintaining accurate asset inventories and implementing strong vulnerability management processes. These foundational practices alone can prevent up to 70-80% of common cyber threats.
Nareynthiran Pachiappan
Director of Security, Coda
Align Cybersecurity with Organizational Strategy
One organizational failure I’m seeing in cybersecurity is the continued disconnect between cybersecurity investments and separation from other functions throughout an organization, especially at the executive level. Cybersecurity, compliance, and digital transformation are still falling into the respective technology leaders’ basket of problems, but cultural buy-in, resources, and elevated prioritization have to come from leaders across the organization, including the board, where appropriate.
When a data breach or cybersecurity incursion occurs, there should be an understanding throughout the organization that each member has a role in remedy, response, and resilience steps.
Jeff Le
Managing Principal, 100 Mile Strategies, and Visiting Fellow, George Mason University’s National Security Institute
