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Details Behind the Tesla Model S Hack
Two researchers broke into the software of a Tesla recently. But there is good news behind the Tesla Model S hack. A fix was sent to all cars within days.

Last week, Marc Rogers, of content delivery network CloudFlare, and Lookout Mobile Security co-founder Kevin Mahaffey completed a digital break-in of a Tesla. But here’s the good news behind the Tesla Model S hack. Tesla quickly released an over-the-air firmware update, to every Model S ever manufactured, that would resolve the security holes uncovered by Rogers and Mahaffey.
The Tesla Hack
Rogers and Mahaffey had to dismantle the dashboard to gain access to an ethernet port. From there, they were able to connect directly to the CAN bus, the controller area network across which car data is sent and received.
After that, they chained together four separate vulnerabilities, first to gain access to the infotainment systems and then the touchscreen used to control vehicle functions. That let them make the speedometer disappear, alter the suspension, unlock the doors and the trunk, and make the windows go up and down. They were also able to shut down the car’s electric motor below 5 mph.
Above that speed, the dashboard screens would go blank but the car would shift into neutral, giving the driver time to find a safe place to bring the car to a stop. “Ironically, that means it’s the only car that can protect itself against a successful cyber attack,” Rogers noted.
Tesla’s Response
“Tesla has taken a number of different measures to address the effects of all six vulnerabilities reported by Lookout. And, we continue to develop further ways to harden our systems, informed by ongoing discussions with the security research community, as well as our own internal analysis. The update has been made available to all Model S customers through an OTA update. We will deploy this update to all vehicles by Thursday,” a spokesperson said in a statement e-mailed to Forbes.
Other auto manufacturers are following in Tesla’s footsteps by making internet updates available for their upcoming line of vehicles, but are starting years behind Tesla.
Rogers and Mahaffey say they also found two potential browser vulnerabilities that they exposed but did not exploit. Those flaws, resident in the WebKit browser engine, could possibly have enabled remote attacks, but Tesla’s new firmware update has resolved those issues as well.
Tesla CTO Toasts Hackers
While Rogers and Mahaffey were explaining their hacks at Def Con 23 last Friday, Tesla CTO J. B. Straubel made a surprise appearance to offer them a toast and personally thank them for their work. J.B. presented the duo with “Challenge Coins,” which will Tesla will be giving to any researcher who finds a serious security hole in their vehicles.
Proud to earn challenge coins, which are given to @TeslaMotors‘s best bounty hunters. pic.twitter.com/1YfRrsOypw
— Lookout (@Lookout) August 7, 2015

Tesla used a white board at Def Con 23 Hacking Conference to invite engineers to join the company [Source: TheRegister]
While at the show, Straubel announced the company has raised the maximum reward for uncovering a software flaw in its automobiles to $10,000. However, to get the big payout a hacker has to find a command injection flaw or a vertical privilege escalation.
Tesla's Competitive Advantage
Around the same time of the Tesla hack, Fiat Chrysler also responded to reports of a hack that could affect up to 1.4 million Jeep vehicles. But unlike Tesla which issued the repairs remotely, Fiat Chrysler announced a voluntary recall which would require owners to install a patch via a USB stick that would be mailed to them.
Tesla's approach to distribute vulnerability and feature updates through over-the-air technology, similar to how one updates software on their mobile device, clearly puts it steps ahead of other automakers.
Chris Evans, who previously worked on Google’s elite Project Zero research team, became head of digital security at Tesla this past week. He was involved in the software update that the company has now sent to all customers. “This gives me really high hopes with Tesla going forward," says Mahaffey. “I would like to see what they’ve done as a reference model for others. I think they’ve got lessons to learn but they’re 75 per cent there."
As cars acquire more digital capability, the opportunities for outside interference either by "white hat" hackers or those bent on doing actual harm will increase. Tesla, though, has the most robust program for identifying and resolving digital security issues of any manufacturer. That commitment should give every Tesla owner and prospective owner a full measure of confidence in the integrity of Tesla automobiles, now and in the future.
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Armored Tesla Cybertruck “War Machine” debuts at Defense Expo 2025
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Tesla Megapacks chosen for 548 MWh energy storage project in Japan
Tesla plans to supply over 100 Megapack units to support a large stationary storage project in Japan, making it one of the country’s largest energy storage facilities.

Tesla’s Megapack grid-scale batteries have been selected to back an energy storage project in Japan, coming as the latest of the company’s continued deployment of the hardware.
As detailed in a report from Nikkei this week, Tesla plans to supply 142 Megapack units to support a 548 MWh storage project in Japan, set to become one of the country’s largest energy storage facilities. The project is being overseen by financial firm Orix, and it will be located at a facility Maibara in central Japan’s Shiga prefecture, and it aims to come online in early 2027.
The deal is just the latest of several Megapack deployments over the past few years, as the company continues to ramp production of the units. Tesla currently produces the Megapack at a facility in Lathrop, California, though the company also recently completed construction on its second so-called “Megafactory” in Shanghai China and is expected to begin production in the coming weeks.
READ MORE ON TESLA MEGAPACKS: Tesla Megapacks help power battery supplier Panasonic’s Kyoto test site
Tesla’s production of the Megapack has been ramping up at the Lathrop facility since initially opening in 2022, and both this site and the Shanghai Megafactory are aiming to eventually reach a volume production of 10,000 Megapack units per year. The company surpassed its 10,000th Megapack unit produced at Lathrop in November.
During Tesla’s Q4 earnings call last week, CEO Elon Musk also said that the company is looking to construct a third Megafactory, though he did not disclose where.
Last year, Tesla Energy also had record deployments of its Megapack and Powerwall home batteries with a total of 31.4 GWh of energy products deployed for a 114-percent increase from 2023.
Other recently deployed or announced Megapack projects include a massive 600 MW/1,600 MWh facility in Melbourne, a 75 MW/300 MWh energy storage site in Belgium, and a 228 MW/912 MWh storage project in Chile, along with many others still.
What are your thoughts? Let me know at zach@teslarati.com, find me on X at @zacharyvisconti, or send us tips at tips@teslarati.com.
Tesla highlights the Megapack site replacing Hawaii’s last coal plant
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Elon Musk responds to Ontario canceling $100M Starlink deal amid tariff drama
Ontario Premier Doug Ford said, opens new tab on February 3 that he was “ripping up” his province’s CA$100 million agreement with Starlink in response to the U.S. imposing tariffs on Canadian goods.

Elon Musk company SpaceX is set to lose a $100 million deal with the Canadian province of Ontario following a response to the Trump administration’s decision to apply 25 percent tariffs to the country.
Starlink, a satellite-based internet service launched by the Musk entity SpaceX, will lose a $100 million deal it had with Ontario, Premier Doug Ford announced today.
Starting today and until U.S. tariffs are removed, Ontario is banning American companies from provincial contracts.
Every year, the Ontario government and its agencies spend $30 billion on procurement, alongside our $200 billion plan to build Ontario. U.S.-based businesses will…
— Doug Ford (@fordnation) February 3, 2025
Ford said on X today that Ontario is banning American companies from provincial contracts:
“We’ll be ripping up the province’s contract with Starlink. Ontario won’t do business with people hellbent on destroying our economy. Canada didn’t start this fight with the U.S., but you better believe we’re ready to win it.”
It is a blow to the citizens of the province more than anything, as the Starlink internet constellation has provided people in rural areas across the globe stable and reliable access for several years.
Musk responded in simple terms, stating, “Oh well.”
Oh well https://t.co/1jpMu55T6s
— Elon Musk (@elonmusk) February 3, 2025
It seems Musk is less than enthused about the fact that Starlink is being eliminated from the province, but it does not seem like all that big of a blow either.
As previously mentioned, this impacts citizens more than Starlink itself, which has established itself as a main player in reliable internet access. Starlink has signed several contracts with various airlines and maritime companies.
It is also expanding to new territories across the globe on an almost daily basis.
With Mexico already working to avoid the tariff situation with the United States, it will be interesting to see if Canada does the same.
The two have shared a pleasant relationship, but President Trump is putting his foot down in terms of what comes across the border, which could impact Americans in the short term.