| Apple iPhone 18
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Security Grade
Calculator v
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Apple iPhone 18
Category: Smartphone • Model / Gen: 18th generation iPhone 18
Release Date: 2026-09-09 • Status: In sale
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Security Evaluation
1. Device Security
| Criterion
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Value
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Proof
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Comment
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| Known hardware tampering
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None
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🔗 Proof
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No public mainstream hardware tampering methods available for this model
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| Known vulnerabilities
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Rare
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🔗 Proof
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Infrequent iOS security patches; no model-specific widespread critical vulnerabilities
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| Prior attacks
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Rare
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🔗 Proof
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General iOS attack surface, no large-scale attacks targeting iPhone 18 specifically
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| Updatability
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Very common
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🔗 Proof
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Apple provides about 6–7 years of iOS and security updates for this device
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| Category Score
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Score: 2 / 3
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2. System Security
| Criterion
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Value
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Proof
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Comment
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| Authentication with other systems
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Full
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🔗 Proof
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Supports Apple ID, passkeys, OAuth, and seamless authentication across Apple ecosystem services
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| Communications
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Encrypted with up-to-date encryption
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🔗 Proof
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Uses TLS 1.3, WPA3, Bluetooth encryption, and end-to-end encryption for iMessage and FaceTime
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| Storage
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Encrypted with up-to-date encryption
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🔗 Proof
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Data Protection with hardware-backed AES-256 encryption via Secure Enclave
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| Category Score
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Score: 1 / 3
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3. User Authentication
| Criterion
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Value
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Proof
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Comment
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| Account management
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Full
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🔗 Proof
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Supports Apple ID, passkey, two-factor authentication, account recovery and remote device management via Find My
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| Authentication
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Secure
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🔗 Proof
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Face ID, passcode, protected by Secure Enclave, hardware-backed biometric authentication
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| Brute-force protection
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Exist
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🔗 Proof
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Progressive delay and device lockout after repeated incorrect passcode attempts
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| Event logging
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Partial logging
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🔗 Proof
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iOS records some security and access events; full audit logs are not exposed to regular users
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| Passwords
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Require change after setup with complexity requirements
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🔗 Proof
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No default passcode. Users set custom passcode with configurable complexity rules during device activation
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| Category Score
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Score: 2 / 3
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Technical Specifications
| Property
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Details
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| Operating System & App
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iOS (Companion App: Apple Support, Find My)
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| Hardware (CPU / GPU)
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CPU: A20 Bionic • GPU: 5-core Apple GPU
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| Memory & Storage
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Memory: 8 GB • Storage: 256 GB / 512 GB / 1 TB
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| Power, Battery & Charging
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Battery: 3349 mAh • Power: USB‑PD • Charging: 27 W wired charging, 20 W MagSafe
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| Display & Camera
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Display: 6.1-inch Super Retina XDR OLED, 2556 × 1179, 120 Hz ProMotion • Camera: 48 MP main + 12 MP ultra-wide rear; 12 MP front TrueDepth
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| Sound & Connectivity
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Sound: Stereo speakers, spatial audio support • Connectivity: Wi‑Fi 7, Bluetooth 5.4, NFC, USB‑C, 5G
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| Physical (Dimensions & Mass)
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Dimensions: 147.6 mm × 71.6 mm × 7.7 mm • Mass: 172 g
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Apple iPhone 18 is a smartphone running iOS, equipped with A20 Bionic chip and Secure Enclave. It supports hardware-encrypted storage, Face ID, passkeys and 2FA. Apple provides long-term iOS security updates and modern encrypted communication.
