Threat Guide
Phishing Attacks on SMBs — How to Assess & Reduce Your Risk
Phishing uses deceptive emails, text messages, or websites to trick employees into revealing credentials, clicking malicious links, or opening infected attachments. For SMBs, phishing is the most common entry point for ransomware, business email compromise, and data theft. Modern phishing uses AI to personalize attacks using data from LinkedIn, company websites, and social media.
36%
of all data breaches begin with a phishing attack
Verizon 2025 DBIR
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How Phishing Works — Step by Step
- Attacker researches the target organization using LinkedIn, company website, and social media
- Crafts a convincing email impersonating a trusted sender (bank, vendor, CEO, IT department)
- Sends email with malicious link (fake login page) or attachment (macro-enabled document)
- Victim enters credentials on phishing page or opens infected document
- Attacker captures credentials or installs malware for persistent access
- Uses access for ransomware deployment, data theft, or BEC wire fraud
Phishing Impact on SMBs
Phishing SMB Impact: Average phishing attack costs SMBs $1.6M in losses including breach investigation, recovery, notification, and reputational damage.
36%
Of all data breaches begin with phishing
Verizon 2025 DBIR
3.4B
Phishing emails sent per day globally in 2025
APWG Phishing Activity Trends 2025
$1.6M
Average cost of phishing attack for SMBs
Proofpoint State of Phishing 2025
74%
Of organizations experienced a successful phishing attack in 2024
Proofpoint State of Phishing 2025
Prevention Controls
Implement these controls to reduce your phishing exposure. Prioritize based on your current gaps.
- Email authentication: SPF, DKIM, and DMARC configured on your domain
- Anti-phishing email gateway with URL scanning and attachment sandboxing
- Security awareness training with simulated phishing exercises
- Multi-factor authentication (phishing-resistant MFA like FIDO2/WebAuthn is strongest)
- Browser DNS filtering blocking access to known phishing domains
- Conditional access policies preventing sign-in from unusual locations
CyberStackHub Tools for Phishing Risk
Identifies email authentication gaps (SPF/DKIM/DMARC), authentication weaknesses, and missing phishing controls
Regular phishing simulations reduce employee click rates by 72% within 90 days
Email security policy and acceptable use policy reduce surface area and establish expected behavior
Test your employees with simulated phishing emails to identify training gaps