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Bruce Schneier: Blockchain And Trust
by Lawrence D'Oliveiro 12 Feb '19

12 Feb '19

Another thoughtful essay <https://www.schneier.com/blog/archives/2019/02/blockchain_and_.html> from the well-known computer-security guru: Trust is essential to society. As a species, humans are wired to trust one another. Society can't function without trust, and the fact that we mostly don't even think about it is a measure of how well trust works. .... Most blockchain enthusiasts have a unnaturally narrow definition of trust. They're fond of catchphrases like "in code we trust," "in math we trust," and "in crypto we trust." This is trust as verification. But verification isn't the same as trust. .... Any blockchain system will have to coexist with other, more conventional systems. Modern banking, for example, is designed to be reversible. Bitcoin is not. That makes it hard to make the two compatible, and the result is often an insecurity. Steve Wozniak was scammed out of $70K in bitcoin because he forgot this. .... Honestly, cryptocurrencies are useless. They're only used by speculators looking for quick riches, people who don't like government-backed currencies, and criminals who want a black-market way to exchange money.

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Android Phones Can Be Hacked Remotely By Viewing Malicious PNG Image
by Peter Reutemann 12 Feb '19

12 Feb '19

'An innocent-looking image -- sent either via the internet or text -- could open your Android phone up to hacking. "While this certainly doesn't apply to all images, Google discovered that a maliciously crafted PNG image could be used to hijack a wide variety of Androids -- those running Android Nougat (7.0), Oreo (8.0), and even the latest Android OS Pie (9.0)," reports CSO Online. From the report: The latest bulletin lists 42 vulnerabilities in total -- 11 of which are rated as critical. The most severe critical flaw is in Framework; it "could enable a remote attacker using a specially crafted PNG file to execute arbitrary code within the context of a privileged process." Although Google had no report of the security flaws being actively exploited, it remains to be seen if and how long it will take before attackers use the flaw for real-world attacks. Android owners were urged to patch as soon as security updates becomes available. But let's get real: Even if your Android still receives security updates, there's no telling how long it will be (weeks or months) before manufacturers and carriers get it together to push out the patches. ' -- source: https://yro.slashdot.org/story/19/02/11/2338245 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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Raspberry π Goes Retail
by Lawrence D'Oliveiro 11 Feb '19

11 Feb '19

The Raspberry Pi Foundation has opened its first retail shop, in its home town of Cambridge <https://www.theregister.co.uk/2019/02/11/pi_shop/>. Some video here <https://www.bbc.com/news/uk-england-cambridgeshire-47143411>.

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Raspberry Pi Gets Its Own Brick-and-Mortar Retail Store
by Peter Reutemann 08 Feb '19

08 Feb '19

'The Raspberry Pi, believe it or not, now has its very own retail store. From a report: Located on the first floor of the Grand Arcade in Cambridge, U.K., the Raspberry Pi Store is open through the day, every day, and sells everything from Raspberry Pi microcomputers and accessories, to branded coffee mugs, soft toys, and more. [...] Despite its popularity -- more than 19 million Raspberry Pi units have been sold since 2012 -- the Raspberry Pi still feels a little niche to merit its own dedicated retail store. Indeed, most people who would be interested in building their own electronic gadgets from scratch are likely well-versed in the wonders of online retail. But conversely, that is likely the same reason why the Raspberry Pi Foundation wants its own space in the physical retail realm: it needs a new audience.' -- source: https://news.slashdot.org/story/19/02/07/1332202 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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LibreOffice 6.2 Brings New Interfaces, Performance Improvements To the Open Source Office Suite
by Peter Reutemann 08 Feb '19

08 Feb '19

'New interface styles and feature improvements are available in version 6.2 of LibreOffice -- the most popular open-source office suite -- released Thursday by The Document Foundation. As with any software update, bug fixes and feature enhancements are present, making this release a significant upgrade, particularly for users coming from Microsoft Office, or working with files created with those programs. LibreOffice now supports SVG-based icons for toolbars in the Breeze, Colibre, and Elementary icon sets as an experimental feature, to better support HiDPI displays increasingly found in notebook PCs. The Elementary icon set was also improved significantly, adding a 32px PNG version, and fixing inconsistencies between the 16, 24, and 32px versions, as well as adding more icons across the set to prevent reverting to defaults. In LibreOffice 6.2, the "Tabbed" interface is now available for Writer, Calc, Impress, and Draw, and is considered sufficiently stable to be a default option. This interface mimics the oft-maligned "Ribbon interface" in Office 2007. The "traditional" Office-style toolbar is default, though the Tabbed interface can be enabled through the "View > User Interface" menus.' -- source: https://news.slashdot.org/story/19/02/07/1737222 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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Blender Wins Annie Award
by Lawrence D'Oliveiro 06 Feb '19

06 Feb '19

The “Annies” are the annual awards given out by the International Animated Film Society, aka ASIFA-Hollywood. As part of these, there is a special prize known as the Ub Iwerks award for technical advancement in the art of animation, named for the Disney animator who so famously brought Mickey Mouse to life, back in the day. This is only given out in any particular year when the judges feel that somebody deserves it. Well, the latest winner is none other than Blender, the open-source CG software. Past winners have included software, companies and people, but this appears to be the first time that a piece of Free software has been so honoured. <http://www.cgchannel.com/2018/12/blender-creator-ton-roosendaal-wins-annie-…> <https://www.blender.org/news/ton-roosendaal-and-blender-to-receive-asifa-ho…>

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Old Computer Gear
by Andrew Crosby 06 Feb '19

06 Feb '19

Hi Guys I'm moving cities shortly and have a couple of decades of old computer and electronic gear to pass along. Mainly periferals and parts from AT/ATX era, Also have some old laptops getting up core2duo era, and not sure what else I'll find while I pack. Anyone around here interested in that sort of stuff. Cheers

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Attackers Can Track Kids' Locations Via Connected Watches
by Peter Reutemann 31 Jan '19

31 Jan '19

'A gamut of kids' GPS-tracking watches are exposing sensitive data involving 35,000 children -- including their location, in real time. Researchers from Pen Test Partners specifically took a look at the Gator portfolio of watches from TechSixtyFour. The Gator line had been in the spotlight in 2017 for having a raft of vulnerabilities, called out by the Norwegian Consumers Council in its WatchOut research. "A year on, we decided to have a look at the Gator watch again to see how their security had improved," said Vangelis Stykas, in a Tuesday posting. "Guess what: a train wreck. Anyone could access the entire database, including real-time child location, name, parents' details etc. Not just Gator watches either -- the same back end covered multiple brands and tens of thousands of watches." "At issue was an easy-to-exploit, severe privilege-escalation vulnerability: The system failed to validate that the user had the appropriate permission to take admin control," reports Threatpost. "An attacker with access to the watch's credentials simply needed to change the user level parameter in the backend to an admin designation, which would provide access to all account information and all watch information." ' -- source: https://it.slashdot.org/story/19/01/30/2337239 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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Hackers Are Passing Around a Megaleak of 2.2 Billion Records
by Peter Reutemann 31 Jan '19

31 Jan '19

'When hackers breached companies like Dropbox and LinkedIn in recent years -- stealing 71 and 117 million passwords, respectively -- they at least had the decency to exploit those stolen credentials in secret, or sell them for thousands of dollars on the dark web. Now, it seems, someone has cobbled together those breached databases and many more into a gargantuan, unprecedented collection of 2.2 billion unique usernames and associated passwords, and is freely distributing them on hacker forums and torrents, throwing out the private data of a significant fraction of humanity like last year's phone book. Earlier this month, security researcher Troy Hunt identified the first tranche of that mega-dump, named Collection #1 by its anonymous creator, a set of cobbled-together breached databases Hunt said represented 773 million unique usernames and passwords. Now other researchers have obtained and analyzed an additional vast database called Collections #2-5, which amounts to 845 gigabytes of stolen data and 25 billion records in all. After accounting for duplicates, analysts at the Hasso Plattner Institute in Potsdam, Germany, found that the total haul represents close to three times the Collection #1 batch.' -- source: https://tech.slashdot.org/story/19/01/31/1452201 Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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New Security Flaw Impacts 5G, 4G, and 3G Telephony Protocols
by Peter Reutemann 31 Jan '19

31 Jan '19

'A new vulnerability has been discovered in the upcoming 5G cellular mobile communications protocol. Researchers have described this new flaw as more severe than any of the previous vulnerabilities that affected the 3G and 4G standards. From a report: Further, besides 5G, this new vulnerability also impacts the older 3G and 4G protocols, providing surveillance tech vendors with a new flaw they can abuse to create next-gen IMSI-catchers that work across all modern telephony protocols. This new vulnerability has been detailed in a research paper named "New Privacy Threat on 3G, 4G, and Upcoming5G AKA Protocols," published last year. According to researchers, the vulnerability impacts AKA, which stands for Authentication and Key Agreement, a protocol that provides authentication between a user's phone and the cellular networks. The AKA protocol works by negotiating and establishing keys for encrypting the communications between a phone and the cellular network.' -- source: https://it.slashdot.org/story/19/01/31/1913237 Yeah, don't think so that I'm gonna upgrade from my stone tablets any time soon... Cheers, Peter -- Peter Reutemann Dept. of Computer Science University of Waikato, NZ +64 (7) 858-5174 http://www.cms.waikato.ac.nz/~fracpete/ http://www.data-mining.co.nz/

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