Browsing Category: Mobile Security

Analyzing ASLR in Android Ice Cream Sandwich 4.0

Categories: Mobile Security

When I first saw the release notes for the new Android Ice Cream Sandwich (ICS) platform, I was excited to see that Google mentioned that “Android 4.0 now provides address space layout randomization”. For the uninitiated, ASLR randomizes where various areas of memory (eg. stack, heap, libs, etc) are mapped in the address space of a process. Combined with complementary mitigation techniques such as non-executable memory protection (NX, XN, DEP, W^X, whatever you want to call it), ASLR makes the exploitation of traditional memory corruption vulnerabilities probabilistically difficult.


AdiOS Finds iOS Apps Capable of Dumping Users’ Contacts

It’s gotten to the point now where it’s almost easier to talk about the mobile apps and services that don’t ship your personal data off to some remote server for purposes unknown rather than discussing the ones that do. The latest discussion of privacy invading apps flowed from the discovery that Twitter and some other iPhone apps were uploading users’ contact lists without their knowledge. Now, a researcher at Veracode has written a small app that allows users to figure out exactly which iOS apps are doing what with their personal data.


Avi Rubin on Hacking All Sorts of Devices

Categories: Hacks, Mobile Security

Avi Rubin is the technical director of the Information Security Institute at Johns Hopkins University, and in this talk from the TEDxMidAtlantic conference in November he discusses the history of hacks on various devices, including implanted medical devices, cars and virtually anything else with a computer chip.


Slideshow: Scenes from SAS 2012

VIEW SLIDESHOW Scenes from SAS 2012At Kaspersky Lab’s Security Analyst Summit last week, over 100 researchers and law enforcement officials converged in Cancun, Mexico over the course of five days to network and discuss a veritable cornucopia of security topics. Topics such as privacy, SCADA and PLC security, tracking cybercriminals and the evolution of malware were discussed in depth.


Path Reverses Course After Revelation That App Uploads User Contacts

After a researcher discovered that any person who decides to download the Path app onto their mobile device is unknowingly sending their address book to a server belonging to the social network and photo-sharing service without prior notification, the company has released a new version of the app that asks people to opt in to that behavior.