Attack Simulation Training: Hoxhunt vs Microsoft Defender

Attack simulation training sends employees realistic, simulated phishing attacks, then teaches them to recognize and report the real thing. With sustained training, real-threat reporting rises 9x (Hoxhunt Phishing Trends Report 2026).

3.4 billion malicious emails are sent every day. Verizon’s 2025 Data Breach Investigations Report found that 60% of breaches involve the human element (Verizon DBIR, 2025).

If you’re weighing up whether to use Microsoft Defender for Office 365 for your attack simulation training, here’s what to know before you decide. This guide explains how attack simulation training works, compares Hoxhunt with Microsoft Defender for Office 365, and shows the results security teams can expect.

‍

What is attack simulation training?

Attack simulation training is a cybersecurity strategy that mimics phishing attacks to teach employees how to recognize and respond to cyber threats.

By simulating real-world attacks, organizations can measure employees’ susceptibility to phishing, provide targeted education, and strengthen their defenses against real phishing attempts.

‍

Why do security teams use this kind of training?

Phishing attacks target either the whole organization or specific individuals, often C-level executives, directors, and managers. Attackers gather information from social media to personalize these attacks. Some attackers use primitive methods; others use sophisticated tactics to access an organization’s sensitive information.

That sophistication is accelerating fast: Hoxhunt’s 2026 data shows AI-generated phishing spiked roughly 14× at the end of 2025, jumping from under 5% to 56% of detected attacks in a single month (Hoxhunt Phishing Trends Report 2026). This shift matters most for clone phishing, because AI now lets attackers reproduce a legitimate email so convincingly that the cloned copy is almost impossible to tell from the original.

The gap between compliance-style training and behavior change is stark: quarterly security awareness training produces roughly a 10% reporting rate, while reporting above 20% is the mark of a behavior-change program and a mature security culture (Hoxhunt Phishing Trends Report 2026).

Sustained programs make a measurable difference: over a year of Hoxhunt training, the simulation failure rate falls threefold, from 20% at onboarding to 3.4% after a year (Hoxhunt Phishing Trends Report 2026).

‍

You need simulations to create lasting behavior change

The data is clear: raising awareness alone isn’t effective. Organizations need training campaigns that simulate malicious emails, so employees get frequent, realistic practice, building the kind of human firewall that can actually prevent and mitigate real threats.

No filter catches every phishing email, and without regular simulation practice, employees won’t have the skills or confidence to catch what gets through.

Simulating real threats in a controlled environment builds those skills into lasting habits, but only with sustained repetition: Hoxhunt sends users at least 36 simulations a year, one every 10 days.

‍

How does Microsoft’s attack simulation training work?

Here’s what setting up Microsoft’s attack simulation training involves for your team:

1. Step 1: Designing and validating a phishing template, checking all HTML formatting for accuracy.
2. Step 2: Testing links across all browsers (IE, Firefox, Chrome, Edge).
3. Step 3: Sending the simulation to a small pilot group of up to 5 users to verify functionality.
4. Step 4: Developing and reviewing an English version of the landing page with the corporate communications team.
5. Step 5: Localizing the landing page into all necessary languages.
6. Step 6: Creating automated replies for users who report phishing successfully, using Microsoft Power Apps.
7. Step 7: Resending the simulation to the test group, confirming every element works correctly.
8. Step 8: Creating Office 365 sub-groups of up to 500 users, since Microsoft limits simulations per group.
9. Step 9: Communicating launch details to the service desk and IT for any user inquiries.
10. Step 10: Launching the phishing campaign for all employees.
11. Step 11: Collecting recipient feedback and Net Promoter Score (NPS).
12. Step 12: Tracking results for one week and reporting findings.
13. Step 13: Analyzing employee responses to improve future simulations.
14. Step 14: Documenting lessons learned and insights from the campaign in a retrospective.

Drawbacks of using Microsoft Defender for attack simulation training

• Limited scenario variety: While it includes basic phishing simulations, Defender lacks advanced, evolving threats like vishing, whaling, or clone phishing, which are essential for thorough employee training.
• Customization constraints: Defender’s templates offer limited customization options, which can lead to repetitive training experiences and may not cover specific threats tailored to different organizational roles.
• Complex setup and management: Many users report a steeper learning curve and setup complexity, which can demand additional IT resources, especially outside the Office 365 ecosystem.
• Standardized automation: While Defender offers automation for campaigns, it lacks adaptive learning. This means scenarios won’t dynamically adjust to employee performance levels.
• Limited analytics depth: Defender provides built-in dashboards and analytics, but they may require significant manual effort to interpret.

‍

Hoxhunt vs Microsoft Defender for Office 365

All insights below are based on real customer reviews.

Ease of use

Hoxhunt

• Easy, intuitive interface accessible to all employee skill levels
• Minimal technical setup, with little to no involvement needed from your IT department
• Strong customer support, available for setup and troubleshooting
• Designed for scalability, making it suitable for companies of varying sizes

Microsoft

• Works well within Office 365 environment but setup can be complex for new users
• Requires technical expertise for optimal configuration
• Interface can be unintuitive for users unfamiliar with Defender’s ecosystem
• Initial learning curve for non-technical staff may slow implementation

Variety of simulations

Hoxhunt

• Extensive range of phishing scenarios, regularly updated to reflect current trends
• Scenario diversity helps reduce simulation fatigue and keep employees engaged
• Tiered simulations cater to employees with different skill levels, from beginner to advanced
• Realistic, personalized simulations that mimic real-life attack tactics

Microsoft

• Offers a solid range of basic and intermediate phishing templates
• Limited scenario customization options and less frequent updates compared to Hoxhunt
• Templates address a broad range of industries but may lack specificity for highly targeted sectors
• Simulation variety might not fully represent the latest attack vectors

Automation

Hoxhunt

• AI-driven automation tailors simulation difficulty, frequency, and timing to individual user performance
• Automated follow-ups and reminders increase engagement without manual intervention
• Allows administrators to focus on strategy instead of manually managing the tool
• Adaptive learning technology personalizes experience without heavy administrative load

Microsoft

• Basic automation features enable scheduling and template selection
• Requires some configuration, with limited template adaptability
• Automation is effective but lacks the advanced, adaptive approach of Hoxhunt
• Scenarios can become repetitive, potentially lowering engagement over time

Realism of simulations

Hoxhunt

• Scenarios closely resemble real-world phishing tactics, including complex, high-stakes simulations
• Designed to be challenging, prompting users to critically analyze each email
• Uses realistic design elements (e.g., branding, grammar, etc.) to enhance credibility
• Constantly refreshed with real-world cases to stay credible

Microsoft

• Effective realism but sometimes lacks the depth and engagement of Hoxhunt’s simulations
• Templates are realistic but may not keep up with emerging attack styles as rapidly
• Design is credible but may lack the creative variety found in competitor tools
• Suited for general phishing scenarios but could be less challenging for advanced users

Reporting

Hoxhunt

• Comprehensive, detailed insights into user performance and simulation success rates
• Data visualization tools make it easy to interpret trends at a glance
• Tracks user behavior improvements over time, providing actionable feedback
• Exportable reports that allow for further analysis and team-wide reviews

Microsoft

• Integrated email reporting with Office 365, offering a centralized view of user performance
• Requires technical understanding to interpret data thoroughly
• Excellent integration with Microsoft environment, simplifying management for Office 365 administrators
• Lacks advanced, visual insights compared to Hoxhunt, which may limit strategic analysis

Personalization & adaptive learning paths

Hoxhunt

• Uses AI to adjust phishing simulations to each user’s skill level and improvement rate
• Adaptive learning paths ensure that simulations remain engaging and appropriately challenging
• Personalization creates relevance, with scenarios suited to employee roles
• Allows customized learning paths for employees based on their progress

Microsoft

• Some customization available for user groups or specific departments
• Lacks fully adaptive learning, resulting in less tailored employee training
• Templates can be assigned to groups but don’t adjust dynamically based on individual progress
• Personalization requires manual input and lacks automated adaptive responses

Feature comparison at a glance

‍

What is adaptive phishing training? Why use this approach?

Adaptive phishing training is a dynamic approach that tailors training content to an individual’s performance and behavior during simulations.

This is how Hoxhunt works: instead of giving every user the same training, it adjusts the difficulty, frequency, and type of simulations based on how each employee responds to previous attempts.

Employees who aren’t confident or motivated enough to spot and report attacks pose a real risk to an organization.

If an employee is struggling to catch simulations, an adaptive tool sends them easier attacks to build up their skills, then increases the difficulty once they’re consistently spotting them. This targets specific vulnerabilities by making sure every employee gets training relevant to their role, location, and skill level.

‍

Why make the switch to Hoxhunt?

If you are still weighing options, our guide to the best phishing simulation tools compares the wider market, and why most phishing simulations fail to reflect real attacks explains why simulation realism is the factor that decides whether training changes behavior.

To measurably reduce human risk levels, your phishing training must focus on behavior change.

The real question is how to get employees to absorb the material and stay engaged with practical simulations.

Hoxhunt training simulates real phishing attacks and delivers interactive, bite-sized trainings that employees genuinely enjoy.

Fast detection and reporting compound into real savings: companies that contain breaches in less than 30 days save more than $1 million compared to those that took more than 30 days.

Hoxhunt uses continuous engagement to increase reporting rates to 60-75% and failure rates down to a sustained 2%.

Here are some of the outcomes you can expect from using Hoxhunt’s award-winning phishing simulation training, according to the Hoxhunt Phishing Trends Report 2026:

‍

‍

What kind of attacks can you simulate using Hoxhunt?

Spear phishing

• How it works: Targeted attacks personalized based on recipient roles.
• Hoxhunt simulation: Offers custom role-based scenarios, replicating real-world spear phishing attempts with personalized URLs and fake login pages.

Whaling

• How it works: Whaling phishing targets executives with messages that appear as communication from trusted colleagues or partners.
• Hoxhunt simulation: Tailored for executives, with credible-looking simulated phishing emails and landing pages to replicate requests for financial or sensitive information.

Vishing (Voice Phishing)

• How it works: Attackers impersonate IT or executives in voice calls to extract sensitive information.
• Hoxhunt simulation: Includes simulated deepfake attacks with voice prompts to make vishing training realistic and engaging.

Smishing (SMS Phishing)

• How it works: Text messages sent to targets with phishing links or requests for information.
• Hoxhunt simulation: Delivers smishing scenarios, training users to recognize suspicious simulated phishing messages.

Clone phishing

• How it works: Clone phishing replicates legitimate emails, replacing links or attachments with malicious content.
• Hoxhunt simulation: Enables cloning of familiar emails with slight modifications, testing employees on attention to detail and recognition of subtle differences.

Pop-up phishing

• How it works: Fake website pop-ups mimic security alerts or notifications.
• Hoxhunt simulation: Simulates realistic pop-ups while browsing to train employees on recognizing fake prompts versus legitimate site notifications.

Credential harvesting

• How it works: Credential harvesting directs users to fake login pages designed to capture credentials.
• Hoxhunt simulation: Simulates realistic login pages, educating users on identifying and avoiding credential phishing attempts.

Invoice fraud

• How it works: Invoice fraud attacks impersonate vendors or clients, sending fraudulent invoices for payment.
• Hoxhunt Simulation: Provides invoice fraud scenarios that mimic legitimate invoices, training employees on how to verify and handle suspicious payment requests.

‍

‍

How to maximize the impact of your training campaigns

Use a wide variety of simulations

Simulations can test employees against different types of real threats. If employees are downloading malicious attachments, send simulations with attachments. If they’re clicking malicious links, use a URL-based simulation instead. Combine different attack types to cover every scenario.

Continuously practice simulations

Simulation frequency matters because practice builds recognition skills. The more practice employees have, the better they can spot suspicious email content.

Yearly or quarterly tests aren’t sufficient to tangibly change employee behavior. According to our own data here at Hoxhunt, running tests at least once every 10 days (about 36 times a year) is the most effective.

Give constructive feedback to employees

However employees perform, you need to provide them with feedback (be sure to let them know it was a simulation).

Strong security cultures aren’t built on punishment and criticism.

Use positive reinforcement and reward systems to increase employee motivation and engagement.

Beware of missed simulations

When companies first begin with Hoxhunt, they usually have a failure rate of 20%, a reporting rate of 10%, and the remaining 70% neither click nor report, leaving no signal at all on their real exposure (Hoxhunt Phishing Trends Report 2026). This is what we call a miss. Neglected phishing simulations are the single biggest blind spot in human risk: most traditional failure-focused training programs frame a low miss rate as a positive, but our data shows that high miss rates predict higher risk of a breach.

Failure rate alone doesn’t tell you an employee’s ability to spot and respond to a real attack. Track these metrics too:

‍

Results you can expect from using attack simulation campaigns

Running attack simulation training consistently delivers results across several fronts. It can help your organization:

Improve employee awareness and behavior

Attack simulation training raises employee awareness of phishing threats.

Over a sustained program, real-threat reporting rises 9x (Hoxhunt Phishing Trends Report 2026).

Reduce the effectiveness of real-life phishing attacks

Phishing simulation training reduces the risk of successful phishing attacks by identifying and correcting risky employee behaviors.

Attackers are also moving beyond the inbox: the Hoxhunt Phishing Trends Report 2026 found that employees fail 24% of simulations that use malicious calendar (.ics) invites, about four times the baseline, which is why modern attack simulation training has to cover more than email.

Research by the Aberdeen Group found that companies with attack simulation training in place experience a 50% decrease in successful phishing attacks (Aberdeen Group, 2023).

Strengthen your security culture

Effective training builds a culture of security awareness within your organization, where employees become active participants in defending against cyber threats.

Recency matters as much as culture: users trained within the last 30 days report phishing at about 21%, against a 5% base rate, a fourfold relative increase (Verizon Data Breach Investigations Report, 2025, cited in the Hoxhunt Phishing Trends Report 2026).

Stay compliant

Phishing simulation training helps organizations meet compliance requirements for security standards and regulations, such as GDPR and HIPAA.

Compliance-only training tends to stall at a standard baseline of roughly 10% success, 20% failure, and 70% miss rates. That 70% miss figure means most employees leave no signal at all, neither clicking nor reporting. That’s a blind spot on real risk, which is exactly why regulators increasingly expect evidence of behavior change rather than course completion (Hoxhunt Phishing Trends Report 2026).

‍

Current results: attack simulation at scale

Recent customers show what this looks like in production. In the US, Copart ran 202,992 completed phishing simulations across 963 unique variants and doubled its reporting rate from 24% to over 50%. In Europe, engineering consultancy Ramboll completed more than 100,000 simulations across 17,000 employees in 35 countries. The Avanade results below remain a useful Fortune 500 reference for the operational impact of automated response.

Hoxhunt case study: Avanade

Avanade is a global professional services company providing IT consulting and services focused on the Microsoft platform.

Industry: IT consulting

Headquarters: Seattle, WA and London, UK

Number of employees: 50,000+

The Challenge

According to Avanade’s case study, legacy security awareness training services were overly manual, did not integrate optimally with the Microsoft environment, and were not sufficiently lowering human risk.

The Results

• Resilience without resources: 5 full-time equivalents (FTEs) of SOC analyst work saved per month with automated Response Platform
• Over 900 hours per month of SOC analysis saved
• Real threat reports up to tens of thousands per month
• Resilience ratio (reporting rate divided by failure rate) today is up 259% from baseline
• 98% reduction in false positives and incident escalations due to response platform
• Over 50% reduction in spam reports

‍

Attack simulation training FAQ

‍

Sources

• Microsoft Defender for Office 365 Reviews, Gartner, 2023.
• Hoxhunt Reviews, Gartner, 2023.
• Phishing Statistics and Trends 2023, Mimecast.
• Why Security Training Isn’t Working, Forbes, 2021.
• Cost of a Data Breach Report, IBM, 2023.
• Value of Security Awareness Training, Aberdeen, 2023.
• Importance of Security Awareness Training, CybSafe, 2023.