Red Teaming in 2026: From Point-in-Time Tests to Continuous Defense

For years, security teams have viewed red teaming as the ultimate test: "Can the attacker get in?" However, as we look toward the 2026 landscape highlighted at the recent Rapid7 Global Cybersecurity Summit, that question is becoming obsolete. In mature security environments, the assumption must be that the attacker can get in. The critical challenge for defenders is no longer just preventing access—it is detecting, validating, and responding to an intrusion before it escalates into a business-disrupting incident.

The Strategic Shift: Continuous Threat Defense

This year's Global Cybersecurity Summit (May 12-13) emphasizes a paradigm shift in how organizations approach adversarial simulation. The focus is moving away from standalone, point-in-time penetration tests—often treated as compliance tick-box exercises—toward Continuous Threat Defense.

In this model, red teaming is not a finite project but a core input into daily Security Operations Center (SOC) functions. It transforms red teaming from a "gotcha" exercise into a continuous feedback loop that powers Managed Detection and Response (MDR). By treating red team activity as a constant stream of data, organizations can validate that their monitoring tools, alerts, and incident responders are effective against real-world tactics, techniques, and procedures (TTPs).

Executive Takeaways

Shift from Prevention to Resilience: Accept that perimeter breaches are inevitable. Prioritize budget and resources toward detection accuracy and response agility rather than relying solely on blocking every initial access vector.
Integration is Key: Red team data must be integrated directly into SOC workflows. Simulation data should automatically tune detection rules and inform threat hunting priorities.
Validation of Controls: Continuous red teaming provides the evidence needed to validate whether investments in EDR, SIEM, and XDR tools are actually generating the necessary telemetry to stop attacks.

Technical Analysis: The Detection Gap

The core technical issue driving this shift is the "Detection Gap." Traditional penetration tests often exploit a vulnerability, dump a database, and hand over a report. While this proves a vulnerability exists, it often fails to test the SOC's visibility. Did the firewall log the egress traffic? Did the EDR flag the malicious PowerShell process? Did the SIEM trigger an alert?

Under the new Continuous Threat Defense model, the "exploit" is only step one. The red team's success is measured by whether the Blue Team can identify the behavior as anomalous and contain it. This requires a mature logging infrastructure and detection logic that covers the entire MITRE ATT&CK lifecycle, particularly focusing on Command & Control (C2), Lateral Movement, and Credential Access.

Defensive Monitoring

To support a continuous threat defense model, security teams need detection rules that cover common red team TTPs. If you cannot detect your own red team, you cannot detect a threat actor.

SIGMA Rules

The following SIGMA rules detect common behaviors associated with red team tools and adversary simulation frameworks.

YAML

---
title: Potential PowerShell Downloader Activity
id: 8f7c9d1a-4e5b-4b1f-9a2c-3d4e5f6a7b8c
status: stable
description: Detects common PowerShell download patterns used in red team exercises and actual attacks, such as Invoke-WebRequest or DownloadString.
references:
  - https://attack.mitre.org/techniques/T1059/001/
author: Security Arsenal
date: 2026/05/12
tags:
  - attack.execution
  - attack.t1059.001
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    Image|endswith: '\powershell.exe'
    CommandLine|contains:
      - 'Invoke-WebRequest'
      - 'DownloadString'
      - 'IEX'
      - 'Invoke-Expression'
condition: selection
falsepositives:
  - System administrators
  - Software installation scripts
level: medium
---
title: Potential Credential Dumping Tool Execution
id: 1a2b3c4d-5e6f-7890-1a2b-3c4d5e6f7890
status: stable
description: Detects execution of known credential dumping patterns often used by red teams to validate LSASS access controls.
references:
  - https://attack.mitre.org/techniques/T1003/
author: Security Arsenal
date: 2026/05/12
tags:
  - attack.credential_access
  - attack.t1003.001
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    CommandLine|contains:
      - 'sekurlsa::logonpasswords'
      - 'lsassy'
      - 'procdump -ma lsass'
condition: selection
falsepositives:
  - Rare, usually administrative testing
level: high
---
title: Suspicious Service Installation (Red Team Common)
id: 2b3c4d5e-6f78-90ab-cdef-1234567890ab
status: stable
description: Detects service installation via command line often used for persistence in red team operations, excluding common legitimate binaries.
references:
  - https://attack.mitre.org/techniques/T1543/003/
author: Security Arsenal
date: 2026/05/12
tags:
  - attack.persistence
  - attack.t1543.003
logsource:
  category: process_creation
  product: windows
detection:
  selection:
    Image|endswith: '\sc.exe'
    CommandLine|contains: 'create'
  filter:
    CommandLine|contains:
      - 'Microsoft'
      - 'Windows Defender'
      - 'VMware'
      - 'TeamViewer'
condition: selection and not filter
falsepositives:
  - Legitimate service installations by admins
level: medium

KQL Queries (Microsoft Sentinel/Defender)

Use these KQL queries to hunt for indicators of compromise often used during red team engagements.

KQL — Microsoft Sentinel / Defender

// Detect suspicious PowerShell encoded commands
DeviceProcessEvents  
| where Timestamp > ago(1d)  
| where FileName in~ ('powershell.exe', 'pwsh.exe')  
| where ProcessCommandLine contains '-enc' or ProcessCommandLine contains '-EncodedCommand'  
| project Timestamp, DeviceName, AccountName, ProcessCommandLine, InitiatingProcessFileName  
| order by Timestamp desc


// Identify potential C2 beaconing patterns (high consistency intervals)
DeviceNetworkEvents  
| where Timestamp > ago(3d)  
| where ActionType == 'ConnectionSuccess'  
| summarize count(), min(Timestamp), max(Timestamp), distinct_RemoteIP=count(RemoteIP) by RemoteUrl, DeviceId  
| where count_ > 50 and distinct_RemoteIP == 1  
| project DeviceId, RemoteUrl, count_

Velociraptor VQL

Hunt for persistence mechanisms and process anomalies on endpoints.

VQL — Velociraptor

-- Hunt for suspicious scheduled tasks often used for persistence
SELECT Name, Action, Trigger, Command, WorkingDirectory
FROM foreach(
  row=glob(globs='C:\Windows\System32\Tasks\**'),
  query={
    SELECT Name, read_file(filename=OSPath) AS RawXML
    FROM scope()
  }
)
WHERE RawXML =~ 'powershell' AND RawXML =~ '-enc'


-- Hunt for processes with suspicious parent-child relationships (e.g., winword.exe spawning cmd.exe)
SELECT Pid, Name, CommandLine, Exe, Username, CreateTime, Parent.Pid AS ParentPid, Parent.Name AS ParentName
FROM pslist()
WHERE Parent.Name in ('winword.exe', 'excel.exe', 'powerpnt.exe')
   AND Name in ('cmd.exe', 'powershell.exe', 'wscript.exe')

PowerShell Verification Script

Use this script to ensure your environment is logging the necessary data to detect red team activities.

PowerShell

# Check PowerShell Script Block Logging and Module Logging
function Test-PowerShellLogging {
    $registryPaths = @(
        'HKLM:\SOFTWARE\Policies\Microsoft\Windows\PowerShell\ScriptBlockLogging',
        'HKLM:\SOFTWARE\Policies\Microsoft\Windows\PowerShell\ModuleLogging'
    )
    
    foreach ($path in $registryPaths) {
        $exists = Test-Path $path
        if ($exists) {
            $status = (Get-ItemProperty -Path $path).EnableScriptBlockLogging
            if ($status -eq 1) {
                Write-Host "[OK] Logging enabled at $path" -ForegroundColor Green
            } else {
                Write-Host "[WARN] Registry key exists but logging not enabled at $path" -ForegroundColor Yellow
            }
        } else {
            Write-Host "[FAIL] Logging not configured at $path" -ForegroundColor Red
        }
    }
}

Test-PowerShellLogging

Remediation

To transition from traditional red teaming to Continuous Threat Defense, organizations should take the following steps:

Enable Comprehensive Logging: Ensure that Advanced Auditing policies, PowerShell Script Block Logging, and Sysmon are deployed across the estate. You cannot detect what you do not log.
Institutionalize Purple Teaming: Create formal collaboration sessions where Red Team (Attack) and Blue Team (Defense) sit together. The Red Team executes a TTP, and the Blue Team immediately creates or tunes a detection rule.
Automate Feedback Loops: Integrate red team results into your SIEM tuning process. If a red team technique was successful, update the corresponding use case to reduce false positives or increase detection fidelity.
Focus on TTPs, Not CVEs: Shift monitoring priorities from specific vulnerability signatures (CVEs) to behavioral patterns (MITRE ATT&CK techniques) that remain relevant regardless of the specific exploit used.

Related Resources

Security Arsenal Red Team Services AlertMonitor Platform Book a SOC Assessment pen-testing Intel Hub

How to Modernize Red Teaming for Continuous Threat Defense in 2026