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Scanning for spyware

Hi I’ve been advised by my bank to do a full wireless scan on my iPad after clicking on a dodgy link. But I seem to be reading that this is not necessary for Apple devices? Can someone recommend software or a app that scan for this or advise about how to check for spyware


iPad 2, iOS 9

Posted on Mar 3, 2024 4:29 PM

Reply
Question marked as Top-ranking reply

Posted on Mar 4, 2024 3:07 AM

There are no AntiVirus scanning products for iOS/iPadOS. Due to the sandboxed security architecture, an AV process is unable to scan the filesystem.


Providing that you have not attempted to jailbreak your device - or have bypassed protections by side-loading third-Apps (if you don’t know what this is, then don’t worry about it), then it is highly unlikely that your device will have been infected malware. However, as with all computer systems, there are still vulnerabilities and exploits to which you remain vulnerable.


Be wary of an often repeated myth that Apple devices are immune to malware; those that perpetuate this fallacy, perhaps with good intention, do not necessarily comprehend the broader threat landscape. Apple expend considerable resources in developing and issuing regular software security updates and patches for its products; if the myth had any substance, regular security updates would be unnecessary.


Providing that your iPad has been kept up-to-date with system software updates, you should not be overly concerned for your iPad being directly compromised by malware. For older devices, no longer benefiting from regular security updates, the risk of an unpatched vulnerability being exploited increases. Regardless of the installed version of iPadOS, there are useful mitigations that can be used to significantly reduce your exposure to risk.


If you have given your personal details to a malicious website, this may be the cause of attempted fraud. If necessary, change account passwords (including your AppleID Password) if you suspect that they may have been compromised. If you have cause to believe that your AppleID has been compromised, follow the advice outlined here:

If you think your Apple ID has been compromised - Apple Support


If you have exposed your Credit Card details, you may wish to contact the Card Issuer - who may cancel and reissue your Card as a precaution.



Threat Mitigation


Other than malicious websites that will attempt to capture information that you willingly enter, the majority of threats to which you will be invariably exposed will surface via web pages or embedded links within email or other messaging platforms. Browser-based attacks can be largely and successfully mitigated by installing a good Content and Ad-blocking product. One of the most respected within the Apple App Store - designed for iPad, iPhone and Mac - is 1Blocker for Safari.

https://apps.apple.com/gb/app/1blocker-for-safari/id1365531024


1Blocker is highly configurable - and crucially does not rely upon an external proxy-service of dubious provenance, often utilised by so-called AntiVirus products intended for iOS/iPadOS. Instead, all processing by 1Blocker takes place on your device - and contrary to expectations, Safari will run faster and more efficiently.


Unwanted content is not simply filtered after download (a technique used by basic/inferior products), but instead undesirable embedded content is blocked from download. The 1Blocker product has also recently introduced its new “Firewall” functions - that are explicitly designed to block “trackers”. Being implemented at the network-layer, this additional protection works across all Apps. Recent updates to 1Blocker has introduced additional network extensions, extending protection to other Apps.


A further to improve protection from exploits is to use a security focussed DNS Service in preference to automatic DNS settings. This can either be set on a per-device basis in Settings, or can be set-up on your home Router - and in so doing extends the benefit of this specific protection to other devices on your local network. I suggest using one of the following DNS services - for which IPv4 and IPv6 server addresses are listed:


Quad9 (recommended)


9.9.9.9

149.112.112.112

2620:fe::fe

2620:fe::9



OpenDNS


208.67.222.222

208.67.220.220

2620:119:35::35

2620:119:53::53



Cloudflare


1.1.1.1

1.0.0.1

2606:4700:4700::1111

2606:4700:4700::1001



Security focused DNS providers intentionally "sink hole" known bad or malicious websites and resources - this providing an additional layer of protection beyond that provided by your device and its Operating System. These DNS services will, when used alongside 1Blocker or other reputable Content Blocker, provide defence in depth.


There are advanced techniques to further “harden” iOS/iPadOS (such as using DoH, DoT and DNSSEC). Apple has introduced its new Private Relay to its iCloud+ subscribers - in part employing ODoH (a variant of DoH) as an element of this new functionality. If you have subscribed to iCloud+, and have a device capable of running iOS/iPadOS 15.x or later, this feature is included. 


4 replies
Sort By: 
Question marked as Top-ranking reply

Mar 4, 2024 3:07 AM in response to LCT1968

There are no AntiVirus scanning products for iOS/iPadOS. Due to the sandboxed security architecture, an AV process is unable to scan the filesystem.


Providing that you have not attempted to jailbreak your device - or have bypassed protections by side-loading third-Apps (if you don’t know what this is, then don’t worry about it), then it is highly unlikely that your device will have been infected malware. However, as with all computer systems, there are still vulnerabilities and exploits to which you remain vulnerable.


Be wary of an often repeated myth that Apple devices are immune to malware; those that perpetuate this fallacy, perhaps with good intention, do not necessarily comprehend the broader threat landscape. Apple expend considerable resources in developing and issuing regular software security updates and patches for its products; if the myth had any substance, regular security updates would be unnecessary.


Providing that your iPad has been kept up-to-date with system software updates, you should not be overly concerned for your iPad being directly compromised by malware. For older devices, no longer benefiting from regular security updates, the risk of an unpatched vulnerability being exploited increases. Regardless of the installed version of iPadOS, there are useful mitigations that can be used to significantly reduce your exposure to risk.


If you have given your personal details to a malicious website, this may be the cause of attempted fraud. If necessary, change account passwords (including your AppleID Password) if you suspect that they may have been compromised. If you have cause to believe that your AppleID has been compromised, follow the advice outlined here:

If you think your Apple ID has been compromised - Apple Support


If you have exposed your Credit Card details, you may wish to contact the Card Issuer - who may cancel and reissue your Card as a precaution.



Threat Mitigation


Other than malicious websites that will attempt to capture information that you willingly enter, the majority of threats to which you will be invariably exposed will surface via web pages or embedded links within email or other messaging platforms. Browser-based attacks can be largely and successfully mitigated by installing a good Content and Ad-blocking product. One of the most respected within the Apple App Store - designed for iPad, iPhone and Mac - is 1Blocker for Safari.

https://apps.apple.com/gb/app/1blocker-for-safari/id1365531024


1Blocker is highly configurable - and crucially does not rely upon an external proxy-service of dubious provenance, often utilised by so-called AntiVirus products intended for iOS/iPadOS. Instead, all processing by 1Blocker takes place on your device - and contrary to expectations, Safari will run faster and more efficiently.


Unwanted content is not simply filtered after download (a technique used by basic/inferior products), but instead undesirable embedded content is blocked from download. The 1Blocker product has also recently introduced its new “Firewall” functions - that are explicitly designed to block “trackers”. Being implemented at the network-layer, this additional protection works across all Apps. Recent updates to 1Blocker has introduced additional network extensions, extending protection to other Apps.


A further to improve protection from exploits is to use a security focussed DNS Service in preference to automatic DNS settings. This can either be set on a per-device basis in Settings, or can be set-up on your home Router - and in so doing extends the benefit of this specific protection to other devices on your local network. I suggest using one of the following DNS services - for which IPv4 and IPv6 server addresses are listed:


Quad9 (recommended)


9.9.9.9

149.112.112.112

2620:fe::fe

2620:fe::9



OpenDNS


208.67.222.222

208.67.220.220

2620:119:35::35

2620:119:53::53



Cloudflare


1.1.1.1

1.0.0.1

2606:4700:4700::1111

2606:4700:4700::1001



Security focused DNS providers intentionally "sink hole" known bad or malicious websites and resources - this providing an additional layer of protection beyond that provided by your device and its Operating System. These DNS services will, when used alongside 1Blocker or other reputable Content Blocker, provide defence in depth.


There are advanced techniques to further “harden” iOS/iPadOS (such as using DoH, DoT and DNSSEC). Apple has introduced its new Private Relay to its iCloud+ subscribers - in part employing ODoH (a variant of DoH) as an element of this new functionality. If you have subscribed to iCloud+, and have a device capable of running iOS/iPadOS 15.x or later, this feature is included. 


Reply

Mar 4, 2024 7:58 AM in response to Lawrence Finch

Lawrence Finch wrote:

I notice that you left out Google DNS, 8.8.8.8. Intentional?


Yes, I deliberately omitted Google DNS.


While Google is a perfectly valid DNS provider, Google's primary business focus is not to improve security - unlike specialist providers with a security interest. Consider that Google will, however, use your DNS lookup traffic as another element of its user "profiling". Arguably the less data that you voluntarily hand to Google, the better.


By contrast, Quad9 provides differing filtering options via different IP Addresses. Using an appropriate DNS provider is just one facet/layer in constructing structured privacy and malware defences.


You'll note that Cloudflare (included within my suggestions) is Apple's partner provider for iCloud DNS/ODoH services.

Reply

Mar 3, 2024 6:02 PM in response to LCT1968

It is neither necessary nor possible to scan an iPhone for spyware. The iOS architecture does not allow apps to scan anything outside of the app’s own user space. Your bank’s technical staff needs some education.


And there is no risk in clicking on a dodgy link, unless you entered personal data into the site.

Reply

Scanning for spyware

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