Dell Latitude 7455

Dell Latitude 7455
Security Grade A- Calculator v	Dell Latitude 7455 (Snapdragon X Plus, 16 GB / 256 GB, WLAN, US configuration) Brand: Dell (Parent: Dell Technologies Inc.) Category: Business laptop • Model / Gen: Latitude 7455 (2024) Latitude 7455; assessed X1P-64-100 / 16 GB / 256 GB WLAN configuration Release Date: 2024-05-20 • Status: Classification Date: • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof	Rare is a qualitative physical-resistance assessment, not an incident-frequency statistic. The manual documents cover-opening detection with BIOS event logging (On-Silent default). Block Boot Until Cleared is disabled by default; assessment assumes admin-configured intrusion blocking. Serviceable SSD and external interfaces remain physical attack surfaces.
Known vulnerabilities	Very common	https://www.dell.com/support/kbdoc/en-us/000281419/dsa-2025-074 🔗 Proof	Dell DSA-2026-035 and DSA-2025-074 explicitly list Latitude 7455, affected Qualcomm driver/firmware versions and remediation. Very common is a qualitative platform rating, not a model-specific incident statistic. Patched units are not assumed vulnerable; versions must be checked within the applicable driver branch.
Prior attacks	Rare	🔗 Proof	Pending: no reliable Latitude 7455-specific evidence of use in prior IoT attacks/botnets was located. The methodology URL defines the criterion only, not proof of no attacks. No frequency rating is selected.
Updatability	Very common	https://www.dell.com/support/kbdoc/en-us/000412304/dsa-2026-035 https://www.dell.com/support/kbdoc/en-us/000281419/dsa-2025-074 🔗 Proof	Supported Windows 11 releases receive monthly cumulative security updates. Dell advisories document model-specific Qualcomm driver and BIOS remedies in multiple years. This is not a monthly-BIOS-release claim; Windows build lifecycle, regional availability and update policy still apply.
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	Partial	🔗 Proof	Partial: Windows supports certificate-based EAP-TLS mutual authentication for configured enterprise network access. Client certificates and server certificate validation are required; this is not mutual authentication for every application or peripheral.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Modern encryption is assessed for explicitly configured secure network sessions, including enterprise Wi-Fi/EAP-TLS and modern TLS application channels. Open networks, legacy protocols and arbitrary app traffic are not assumed encrypted by default.
Storage	Encrypted with up-to-date encryption	🔗 Proof	Assessed configuration: software BitLocker enabled on the internal Windows/data volume using XTS-AES (128 or 256 bits). Encryption capability is not proof it is active on every retail unit. UEFI/boot support partitions, SSD firmware and unprotected external drives are outside this claim.
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Full	https://support.microsoft.com/en-gb/windows/security/identity-signin/manage-user-accounts-in-windows 🔗 Proof	Full: Windows supports separate user accounts, administrator versus standard-user privileges, account creation/removal and credential management. The assessed deployment uses least-privileged daily accounts with separately controlled administration; built-in system accounts have special deletion restrictions.
Authentication	Secure	https://learn.microsoft.com/en-us/windows/security/identity-protection/hello-for-business/pin-reset 🔗 Proof	Secure for the declared managed deployment: Windows Hello for Business uses a device-bound key plus PIN/biometric verification; the enterprise PIN-reset flow requires authentication and MFA. Enrollment and appropriate identity/recovery policies are prerequisites. A generic convenience PIN is not equated with Hello for Business.
Brute-force protection	Exist	https://learn.microsoft.com/en-us/windows/security/operating-system-security/data-protection/bitlocker/configure 🔗 Proof	Exist in the assessed configuration: a nonzero account-lockout threshold limits repeated password failures; TPM dictionary-attack protection limits startup-PIN guesses where TPM+PIN is configured. Policy values and protected credential paths must be configured; not every app shares these limits.
Event logging	Access event logged	🔗 Proof	Access event logged when successful and failed logon auditing are enabled: Windows Security events 4624/4625 record logon outcomes. This assumes configured audit policy and suitable log retention; it does not claim every file/application access is logged or that auditing was physically tested.
Passwords	Require change after setup with complexity requirements	https://learn.microsoft.com/en-us/windows/win32/api/lmaccess/ns-lmaccess-user_info_3 🔗 Proof	Managed provisioning scenario: password complexity is explicitly enabled and initial user passwords are marked for mandatory change at first password logon before Hello enrollment. Windows supports these controls; this is not a retail-default claim or mandatory periodic password-rotation recommendation. Hello PIN requirements are a separate policy.
Category Score	Score: 1 / 3

Technical Specifications

Property	Details
Operating System & App	Windows 11 Pro, ARM64 (Copilot+ PC) (Companion App: None required; optional Dell Optimizer and Dell Command or Update for supported management/update functions)
Hardware (CPU / GPU)	CPU: Qualcomm Snapdragon X Plus X1P-64-100; 10 cores / 10 threads; up to 3.4 GHz • GPU: Integrated Qualcomm Adreno graphics
Memory & Storage	Memory: 16 GB LPDDR5x-8448 onboard (soldered) • Storage: 256 GB M.2 2230 PCIe Gen4 x4 NVMe TLC SSD
Power, Battery & Charging	Battery: 3-cell 54 Wh lithium-ion polymer; ExpressCharge supported • Power: Battery power or 65 W USB-C AC adapter; 100-240 V AC input • Charging: USB-C Power Delivery; 65 W adapter (20 V / 3.25 A maximum rated output)
Display & Camera	Display: 14-inch 2560 x 1600 QHD+ IPS touch; anti-glare; 400 nits; 60 Hz • Camera: FHD RGB camera (2.07 MP, 1080p30) plus IR camera; privacy shutter
Sound & Connectivity	Sound: Four speakers; Qualcomm WCD9385 audio; headset jack • Connectivity: Qualcomm FastConnect 7800 Wi-Fi 7; Bluetooth 5.4; 2 USB4 USB-C (40 Gbps, PD/DisplayPort), 1 USB-A 3.2 Gen 1; microSD; WLAN-only configuration (no WWAN)
Physical (Dimensions & Mass)	Dimensions: 314 x 223.75 mm; front height 14.69 mm, rear 15.64 mm, maximum 16.90 mm • Mass: 1.44 kg nominal; varies by configuration

Scope: Dell Latitude 7455, supported US configuration with Snapdragon X Plus X1P-64-100, 16 GB onboard RAM, 256 GB SSD, Windows 11 Pro ARM64 and WLAN only. This is a documented configuration assessment, not an inspected service-tag-specific unit. Optional X Elite, 32 GB, WWAN and fingerprint hardware are not assumed installed. Configuration evidence: https://www.dell.com/en-us/shop/dell-computer-laptops/latitude-7455-laptop/spd/latitude-14-7455-laptop/gctol7455usvp?redirectTo=SOC . Owner's Manual (linked sections cover dimensions, ports, wireless, cameras, audio and power): https://www.dell.com/support/manuals/en-us/latitude-14-7455-laptop/latitude-7455-owners-manual/hardware-security?guid=guid-2cb63817-ba3d-44dc-8d8d-96d20cde362a&lang=en-us . Weight is nominal and configuration-dependent.

Release date 2024-05-20 is the official US announcement date, used as a clearly labelled proxy with the submitter's approval, not a verified first-sale date. The announcement said availability would follow in coming months: https://www.dell.com/en-us/blog/dell-introduces-comprehensive-portfolio-of-copilot-ai-pcs/ .

Security scenario: managed Windows 11 Pro with current supported updates, separate least-privileged user accounts, certificate-validated secure networks/modern TLS sessions, software BitLocker XTS-AES on internal OS/data volumes, TPM-backed Windows Hello for Business and authenticated enterprise recovery, successful/failed logon auditing, account lockout, and mandatory first-password change under a complexity policy before Hello enrollment. These are supported platform capabilities plus explicit configuration assumptions, not claims about universal factory defaults, an actual deployment or hands-on tests. Enrollment, identity infrastructure, software/ARM64 compatibility, admin policy and licensing prerequisites apply. Password and Hello PIN policies differ. BitLocker coverage is not extended to every UEFI partition, firmware component or external card.

Dell BIOS documentation: https://www.dell.com/support/manuals/en-us/latitude-14-7455-laptop/latitude-7455-owners-manual/system-setup-options?guid=guid-59f7ef9e-6f6c-487c-8b21-284f4e9906f4&lang=en-us . Chassis intrusion defaults to On-Silent event logging; boot blocking defaults off and is an explicit managed-scenario assumption, not a factory-default claim. Hardware resistance and vulnerability frequency labels are qualitative judgments, not official incident statistics. Model-listed advisories https://www.dell.com/support/kbdoc/en-us/000412304/dsa-2026-035 and https://www.dell.com/support/kbdoc/en-us/000281419/dsa-2025-074 establish applicable vulnerable versions/remedies, not successful real-world attacks. Driver version numbers must be interpreted within their applicable branches.

Prior IoT-attack history remains pending; a missing report is not proof of no attacks. The methodology link in that row defines the criterion only. Status is also pending: official US pages differ between unavailable and priced configurator listings; neither is treated as a verified global lifecycle statement or assured order fulfilment. Administrator-only fields remain untouched.