Author Archives: Jonathan Zdziarski

About Jonathan Zdziarski

Respected in his community as an iOS forensics expert, Jonathan is a noted security researcher, penetration tester, and scientist. Author of many books ranging from machine learning to iPhone hacking and software development, Jonathan frequently trains many federal and state law enforcement agencies in digital forensic techniques and assists in high profile cases. Jonathan is also inventor on several US patent applications, father of DSPAM and other language classification technology, and an App Store developer. All opinions expressed on this website are the author's own. Follow Jonathan on Twitter: @JZdziarski

White Tiger

Here are a few different processes of a photo I took of the white tiger at Kisma Wildlife Preserve this past weekend. Playing with my dramatic processing. I thought this was an ideal candidate for dramatic effects. Can’t decide which … Continue reading

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Seven Great Reasons to Visit Acadia National Park

Seven great photos I took this weekend on our family trip to Acadia National Park in Bar Harbor, ME. Fortunately, it’s only a few hours from our cabin, so we are able to visit frequently. The sunsets were taken at … Continue reading

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Sep 24 and 25, 2012: Arlington, VA: Two Great iOS Workshops

September 24, 2012: Advanced iOS Forensic Imaging and Investigation Location: Arlington, VA Renaissance Marriott Registration URL: http://aif-arlington.eventbrite.com Join us as Jonathan Zdziarski, author, forensic scientist and iOS forensics expert, leads your organization’s law enforcement or security professionals through the delicate … Continue reading

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Time Machine Keeps Local Backups by Default (Chewing on Disk)

I upgraded (downgraded?) to Mountain Lion a few days ago to play around with it. Today, I noticed I only had 44 GB of my 250 GB SSD free, so I deleted about 20GB of junk lying around. I watched … Continue reading

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The Old Cliff Dweller’s Lodge (Blanche Russell Rock House)

The Old Cliff Dweller’s Lodge holds the remnants of a life once lived by 1920s Ziegfeld Follies dancer Blanche Russell, who left her career to care for her ill husband. Traveling north of the Navajo Bridge into Marble Canyon AZ, … Continue reading

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Southwest 2012 Recap

Jess and I flew out to California (to give expert testimony), and Vegas (for Black Hat, where I also gave a talk this year). In addition to all of the great talks at Black Hat this year, we spent every … Continue reading

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And They Lived Happily Ever After…

Southern meals, spending time with my new family members, beautiful gardens in Charleston, SC, exploring and post-wedding trash-the-dress photo shoot on Folly Beach, SC, driving with the top down in the Mustang convertible we rented, exploring the mountains of Maine … Continue reading

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Do Not Disturb Until June 18

With only a couple days left until my wedding, I’m signing off all personal online presence. I’m tying up a few more things at work this week, and then I’ll be permanently unavailable from June 1-18. I will check my … Continue reading

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The Dark Art of iOS Application Hacking

I’ll be giving the talk, The Dark Art of iOS Application Hacking at Black Hat 2012 in Las Vegas this July. This workshop will cover many techniques we use to attack iOS applications, and has numerous applications in the security … Continue reading

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Preventing Widespread Automated Attacks in iOS

With a hundred million end users, the notion of a widespread attack on Apple iOS devices is tempting to any criminal. The dream (or nightmare) of an attacker somehow targeting potentially millions of always-on, always-connected iOS devices using a large-scale … Continue reading

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