Cyberdudebivash

Introduction

Phishing continues to be one of the most effective social engineering attacks. But attackers are always evolving. We’ve recently confirmed a new phishing campaign impersonating Google AppSheet, targeting individuals and small businesses. The goal: to steal Google Workspace login credentials under the guise of “secure app integration.”

This report breaks down how the attack works, its risk profile, real-world incidents, mitigation strategies, and what to watch out for.

---

 Attack Details & Technical Breakdown

Attack Flow:

1. Victim receives an email (or sees an ad) that claims Google AppSheet is updating terms or offering new integrations.
2. The link directs to a phishing page designed to look exactly like the official Google AppSheet login / consent / integration form.
3. The page prompts for Google credentials (email & password) and also often requests “AppSheet API access” — users accept giving the attacker OAuth/permissions.
4. Once credentials are submitted, the attacker can take over the account, access all linked services (Drive, Gmail, Sheets), and potentially use tools like AppScript or cloud functions to further compromise victim’s environment.

Technical Indicators:

• Phishing domain names that resemble “appsheet.google.com” but with subdomain or TLD trickery (e.g. appsheet-secure[.xyz], app-sheet-google[.com]).
• Use of HTTPS and SSL certificate with Let’s Encrypt — making it harder for victims to detect danger.
• OAuth screens which look legitimate because they include Google’s logo and app consent flow.
• Hidden metadata or API requests that give the attacker access to Google Drive, Sheets, or other parts of Google Workspace.

---

 Risk & Real-World Incidents

• Target Audiences:
  • Consultants who use Google Apps for business.
  • Small companies using Google Workspace.
  • Freelancers integrating AppSheet and connected tools.
• Impact:
  • Credential theft leading to compromised drive data, sensitive documents.
  • Unauthorized OAuth permissions leading to data exfiltration.
  • Use of compromised accounts to send further phishing or malicious requests.
• Recent Cases:
  • A small nonprofit lost access to their Drive data after falling for a “AppSheet Terms Update” email.
  • Startup employees had linked Sheets and scripts compromised, losing project data.

---

 CyberDudeBivash Mitigation Strategies

1. Email & Domain Verification
   • Always check sender email addresses carefully. Real Google notifications come from @google.com.
   • Hover over links to verify domain before clicking.
2. OAuth Awareness
   • Do not grant OAuth access unless you trust the requesting app.
   • Review app permissions in Google Workspace settings regularly.
3. Enable 2FA Everywhere
   • Even for Google Workspace accounts, use app-based 2FA.
4. Security Tools & Endpoint Protection
   • Deploy anti-phishing tools / browser extensions that can warn you about known phishing domains.
   • Use EDR/XDR agents to catch unusual login patterns or unexpected cloud API calls.
5. User Education
   • Train teams to recognize obvious signs of phishing: urgency, “Terms of Service updates,” “Integration requests,” spelling errors.
   • Conduct phishing simulation drills to raise awareness.

---

 Broader Implications & Advice

This kind of attack underscores how attackers leverage brand trust — in this case, Google — and mimic official identity flows like AppSheet integrations. Enterprises need policies to restrict what external OAuth apps are allowed, maintain strict audit logs, and have incident response plans for compromised app permissions.

---

 Affiliate Tool Recommendations

Protect your workspace with trusted security tools:

• LastPass Business – password management & phishing-resistant login.
• CrowdStrike Falcon – detect account takeover behavior.
• NordVPN Teams – secure remote access.
• Cloudflare Zero Trust – manage access policies and external app integrations.

---

 Contact & Ecosystem

Stay informed with CyberDudeBivash Threat Intel:

• cyberdudebivash.com
• cyberbivash.blogspot.com
• cryptobivash.code.blog
•  Email: iambivash@cyberdudebivash.com

---

#CyberDudeBivash #Phishing #AppSheet #GoogleWorkspace #ThreatIntel #BreakingThreatIntel #CredentialTheft #OAuthPhishing #CyberDefense #Infosec #AccountSecurity #PhishingAwareness #WorkspaceSecurity