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Zscaler’s acquisition of Red Canary marks a strategic expansion into the Managed Detection and Response (MDR) market. With existing network visibility from Zscaler and asset visibility from Avalor, this move strengthens their cybersecurity portfolio by adding advanced threat detection and response capabilities.
You Should Know:
Key Technical Aspects of MDR Integration
1. Log Collection & Analysis
- Use SIEM tools (e.g., Splunk, ELK Stack) to aggregate logs:
Forward logs to a SIEM using syslog sudo sed -i 's/.@@remote-server:514/.@@remote-server:514/g' /etc/rsyslog.conf sudo systemctl restart rsyslog
2. Threat Detection with YARA Rules
- Example YARA rule for detecting suspicious PowerShell activity:
rule Suspicious_PowerShell_Execution { meta: description = "Detects suspicious PowerShell commands" strings: $s1 = /Invoke-Expression/ nocase $s2 = /DownloadString/ nocase condition: any of them }
3. Automated Response with Playbooks
- AWS Lambda for auto-containment (isolate compromised EC2 instances):
import boto3 def lambda_handler(event, context): ec2 = boto3.client('ec2') ec2.modify_instance_attribute(InstanceId='i-1234567890', DisableApiTermination={'Value': False}) ec2.terminate_instances(InstanceIds=['i-1234567890'])
4. Network Traffic Analysis
- Zeek (Bro) for real-time traffic inspection:
zeek -i eth0 local "Site::local_nets += { 192.168.1.0/24 }"
5. Endpoint Detection (EDR) Commands
- Linux process inspection:
ps aux | grep -E "(curl|wget|bash -i)" lsof -i :443
- Windows suspicious process check:
Get-Process | Where-Object { $_.CPU -gt 90 } | Stop-Process -Force
What Undercode Say
Zscaler’s move into MDR aligns with the industry shift toward consolidated security platforms. Expect deeper integrations with:
– Cloud-native EDR (e.g., CrowdStrike, SentinelOne)
– AI-driven anomaly detection (e.g., Darktrace, Vectra)
– Automated remediation scripts (e.g., Ansible, Terraform)
Key commands for defenders:
Check for unauthorized SSH access last -f /var/log/auth.log | grep "Accepted" Monitor file changes (Linux) auditctl -w /etc/passwd -p wa -k passwd_changes Windows suspicious registry edits reg query HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
Prediction
MDR adoption will surge as mid-market firms seek turnkey threat detection. Zscaler may next acquire a deception tech vendor (e.g., TrapX) to enhance proactive defense.
Expected Output:
- Zscaler + Red Canary integration docs: https://www.zscaler.com
- YARA rule repository: https://github.com/Yara-Rules/rules
- Zeek network monitoring: https://zeek.org
IT/Security Reporter URL:
Reported By: James Berthoty – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
