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CyberDudeBivash Incident Report Tenable Confirms Data Breach — Customer Contact Data Exposed via Salesforce/Drift Supply Chain Attack

Author: Bivash Kumar Nayak, Founder, CyberDudeBivash | Global Threat Intel Authority Date: September 2025 1. Incident Overview & Key Findings Tenable has confirmed a data breach stemming from a broader supply chain compromise involving the Salesloft Drift integration with Salesforce . While no internal product data was compromised, attacker access to Tenable’s Salesforce instance exposed: Business contact information: names, business emails, phone numbers, and location references Customer-provided subjects and descriptions from support case submissions Cyber Security News Affected organizations include major security players such as Palo Alto Networks, Zscaler, Cloudflare, Proofpoint, CyberArk, Google, PagerDuty, and Tenable itself . All reported similar exposure of customer support data and contact metadata. Cyber Security News CRN 2. Attack Vector & Supply Chain Analysis The breach was part of a coordinated campaign abusing OAuth tokens via compromised ...
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DHCP Protocol Threats & Attack Vectors By CyberDudeBivash — Cybersecurity Authority

 


1. Why DHCP Matters in Security

The Dynamic Host Configuration Protocol (DHCP) is critical in assigning IP addresses and network configurations automatically. Because it sits at the core of enterprise and ISP networks, attackers frequently exploit DHCP to hijack sessions, poison address assignments, and launch stealthy lateral movement campaigns.

2. Major DHCP Threats

2.1 Rogue DHCP Servers

  • Attackers introduce a fake DHCP server into a network.

  • Victims receive malicious IP/gateway/DNS assignments.

  • Enables man-in-the-middle (MITM) attacks and traffic redirection.

2.2 DHCP Starvation Attacks

  • Attackers flood the DHCP server with fake DISCOVER requests.

  • The pool of available IPs is exhausted.

  • Leads to denial of service (DoS) and enables rogue DHCP takeover.

2.3 DHCP Spoofing

  • Altering legitimate DHCP responses to inject malicious configs.

  • Users are silently redirected to attacker-controlled gateways or DNS servers.

2.4 DHCP Recon & Enumeration

  • Attackers sniff DHCP traffic to map subnets, leases, and active devices.

  • Provides intel for further exploitation.

2.5 DHCP-based Malware Delivery

  • Some malware frameworks use malicious DHCP options to push payload links or exploit vulnerable clients.

3. Attack Vectors

  • Insider threats: Malicious employees connecting rogue DHCP servers.

  • IoT devices: Often misconfigured, exposing DHCP broadcast vulnerabilities.

  • BYOD policies: Infected laptops can bring DHCP spoofing tools inside networks.

  • Wireless networks: Rogue access points with built-in DHCP spoofers.

4. CyberDudeBivash Defense Playbook

4.1 Hardening DHCP

  • Enable DHCP Snooping on switches (Cisco, Juniper, Arista).

  • Restrict DHCP server roles to trusted IP/MAC addresses only.

  • Use dynamic ARP inspection (DAI) to prevent MITM via rogue leases.

4.2 Monitoring & Detection

4.3 Zero Trust Networking

  • Isolate DHCP functions from production VLANs.

  • Use microsegmentation to prevent rogue DHCP reach.

  • Validate all leases against identity-aware network policies.

5. Business Impact

  • Service disruption → DHCP starvation = halted business operations.

  • Data interception → Rogue DHCP redirects to malicious DNS/MITM.

  • Compliance breaches → Customer data exposed via DHCP hijacks.

  • Financial costs → Downtime, forensics, and potential fines.

6. High-CPC Keywords

  • DHCP Snooping Security

  • Rogue DHCP Detection Tools

  • Zero Trust Networking Solutions

  • Enterprise DHCP Protection Services

  • DHCP Starvation Attack Prevention

7. Affiliate Recommendations

8. CyberDudeBivash Branding

9. 

#CyberDudeBivash #DHCP #NetworkSecurity #ThreatIntel #RogueDHCP #DHCPStarvation #MITM #ZeroTrust #XDR #PatchNow

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