π = 3.14159265358979323846264338327950288…e^(iπ) + 1 = 0c ≡ mᵉ (mod n)K = gᵃᵇ mod py² = x³ + ax + b (mod p)H(X) = −Σ p(x) log₂ p(x)Σ₁(e) = (e ⋙ 6) ⊕ (e ⋙ 11) ⊕ (e ⋙ 25)φ(n) = (p − 1)(q − 1)2¹²⁸ ≈ 3.4 × 10³⁸a ⊕ b ⊕ b = a

01100010 0110 10100111 0001 00110101 1101 11010010 0110 01001101 1010 10110001 0011 01110100 1100 00101011 0111 11001010 0001 01010111 1010 10011100 0101 01100010 0110 10100111 0001 00110101 1101 11010010 0110 01001101 1010 10110001 0011 01110100 1100 00101011 0111 11001010 0001 01010111 1010 10011100 0101

> tls 1.3 handshake · verified > sha-256 9f2c…e41a · match > mfa challenge · approved > firewall 443/tcp · allow > dmarc pass · alignment ok > anomaly score 0.02 · normal > session token · rotated > backup restore test · passed > tls 1.3 handshake · verified > sha-256 9f2c…e41a · match > mfa challenge · approved > firewall 443/tcp · allow > dmarc pass · alignment ok > anomaly score 0.02 · normal > session token · rotated > backup restore test · passed

1011 00101101 0100 11100010 1110 01011001 0011 10100111 1001 01110010 0110 11001011 1011 00101101 0100 11100010 1110 01011001 0011 10100111 1001 01110010 0110 11001011

Practical reference

Remote employee security checklist.

A practical checklist for safer remote work. Review these habits before your next work session, or print a copy to keep nearby.

Before your next work session

Use a supported, updated device and a screen lock Sign in using approved work accounts and MFA Use approved remote access and document storage Check recipients and sharing permissions before sending Verify unusual payment or account changes independently Keep an incident contact available through a trusted channel Follow the lost-device process promptly Confirm how important work is backed up and restored

Ticks reset on reload. This is a personal reference, not recorded completion.

Read the lesson →

Remote employee security checklist.

Before your next work session

Choose security tools with context