Keeping both your computer and phone secure requires more than a strong password. Modern threats include phishing links, spyware, unsecured Wi-Fi interception, and credential-stealing malware. The five picks below offer cross-device coverage, real-time threat detection, and identity monitoring features that address these risks without requiring a security background to configure.
| Product | Best For | Rating |
|---|---|---|
| Norton 360 Deluxe | All-around family protection | 4.8/5 |
| Bitdefender Total Security | Performance-conscious users | 4.7/5 |
| Malwarebytes Premium | Lightweight secondary scanner | 4.5/5 |
| ESET Internet Security | Power users and businesses | 4.6/5 |
| McAfee Total Protection | Budget multi-device coverage | 4.3/5 |
Norton 360 Deluxe — Best All-Around Cross-Device Security
Norton 360 Deluxe covers up to five devices across Windows, macOS, Android, and iOS. It includes a VPN with no bandwidth cap, dark web monitoring that alerts you when your email or SSN appears in data breaches, and 50 GB of cloud backup for PC. The firewall module analyzes inbound and outbound traffic with behavior-based detection, catching zero-day threats that signature databases miss. Setup takes under ten minutes per device. The mobile app flags suspicious app permissions and scans links before you tap them.
Check Norton 360 Deluxe on Amazon
Bitdefender Total Security — Best for Minimal Performance Impact
Bitdefender consistently scores at the top of AV-Test benchmarks for both detection rate and low system overhead. Its Photon technology adapts scanning behavior to your hardware profile, reducing CPU spikes during background scans. The suite includes anti-tracker browser extensions, a file shredder, webcam protection, and ransomware remediation that can restore encrypted files. Android coverage adds app lock and anti-theft features. The dashboard is clear and approachable, even for users who rarely adjust security settings.
Check Bitdefender Total Security on Amazon
Malwarebytes Premium — Best Lightweight Add-On Scanner
Malwarebytes Premium works well as a complement to a built-in antivirus like Windows Defender rather than a standalone replacement. It specializes in adware, PUPs (potentially unwanted programs), and browser hijackers that traditional antivirus tools sometimes miss. Real-time protection blocks malicious downloads and phishing pages. The Android app scans installed apps for privacy risks and dangerous permissions. Scans run quickly and the interface stays out of the way between threat events.
Check Malwarebytes Premium on Amazon
ESET Internet Security — Best for Advanced Users
ESET Internet Security provides granular control over firewall rules, network traffic inspection, and application behavior monitoring. The HIPS (Host-Based Intrusion Prevention System) lets you set custom rules for how programs interact with the operating system. Detection rates are consistently high in independent lab tests. The interface is more technical than most consumer suites, which appeals to users who want visibility into what the software is actually doing. Coverage extends to Windows and macOS; a separate ESET Mobile Security app handles Android.
Check ESET Internet Security on Amazon
McAfee Total Protection — Best Budget Multi-Device Option
McAfee Total Protection covers unlimited devices on its higher tiers, which makes it cost-effective for households with many phones, tablets, and PCs. It includes identity monitoring, a VPN, password manager, and safe browsing tools. Detection performance is solid but trails Bitdefender and Norton in lab comparisons. The 2025 redesigned interface is cleaner than past versions. If your main goal is baseline protection across many devices without paying per-device fees, McAfee delivers reasonable coverage at a lower per-device cost.
Check McAfee Total Protection on Amazon
How to Choose Computer and Phone Security Software
Start by counting how many devices need coverage and what operating systems they run. Most suites license by device count, so a five-device plan suits a typical household. Check whether the suite covers iOS, as iPhone protection is more limited by Apple’s restrictions than Android coverage. Look for real-time protection, not just scheduled scans. Independent lab results from AV-Test and AV-Comparatives give objective detection and performance scores. Avoid suites that bundle aggressive upsell notifications or install browser toolbars without clear consent.
Choosing the right security setup is easier when you understand the full device picture. For related hardware coverage, see our guide on articles/best-computer-audio-setup and tips on articles/best-computer-backpack-for-travel to protect your gear on the go. For how we evaluate products, see our methodology.
Frequently asked questions
Do I need separate security software for my phone and computer?+
Not necessarily. Most modern security suites include licenses for both platforms under a single subscription. Products like Norton 360 and Bitdefender Total Security cover Windows, macOS, Android, and iOS from one dashboard, which is more cost-effective than buying separate apps for each device.
Does security software slow down my computer or phone?+
Impact varies by product. Lightweight options like Bitdefender and ESET use cloud-based scanning to reduce local CPU usage. Older or resource-heavy suites can cause noticeable slowdowns during full scans. Check independent benchmark results from AV-Test or AV-Comparatives before buying.