Tech

High-performance computers are under siege by a newly discovered backdoor

Enlarge (credit: Getty Images) High-performance computer networks, some belonging to the world’s most prominent organizations, are under attack by a newly discovered backdoor that gives hackers the ability to remotely execute commands of their choice, researchers said on Tuesday. Kobalos, as researchers from security firm Eset have named the malware, is a backdoor that runs […]

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Hackers are exploiting a critical zeroday in firewalls from SonicWall

Enlarge (credit: Getty Images) Network security provider SonicWall said on Monday that hackers are exploiting a critical zeroday vulnerability in one of the firewalls it sells. The security flaw resides in the Secure Mobile Access 100 series, SonicWall said in an advisory updated on Monday. The vulnerability, which affects SMA 100 firmware versions 10.x, isn’t […]

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New supply chain attack uses poisoned updates to infect gamers’ computers

Enlarge / Circuit board with speed motion and light. (credit: Getty Images) Researchers have uncovered a software supply-chain attack that is being used to install surveillance malware on the computers of online gamers. The unknown attackers are targeting select users of NoxPlayer, a software package that emulates the Android operating system on PCs and Macs. […]

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Ars Technicast special edition, part 2: Open systems and the “joint force”

Enlarge / Fancy desks and cool blue lighting dominate this control room at Northrop Grumman’s Colshire location. (credit: Northrop Grumman) Welcome back to the second part of our two-part Ars Technicast special edition on the future of connectivity on the battlefield, presented in partnership with Northrop Grumman. In part one, we talked about the Internet […]

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Cable ISP warns “excessive” uploaders, says network can’t handle heavy usage

Enlarge (credit: Getty Images | Bosca78) Mediacom, a cable company with about 1.4 million Internet customers across 22 states, is telling heavy uploaders to reduce their data usage—even when those users are well below their monthly data caps. Mediacom’s fastest Internet plan offers gigabit download speeds and 50Mbps upload speeds with a monthly data cap […]

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30% of “Solarwinds hack” victims didn’t actually use Solarwinds

Enlarge / This is an artist’s concept of Wind, a NASA spacecraft which spent twenty years gathering data on the solar wind (no relation). (credit: US Department of State) When security firm Malwarebytes announced last week that it had been targeted by the same attacker that compromised Solarwinds’ Orion software, it noted that the attack did […]

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AT&T eats a $15.5 billion impairment charge as DirecTV debacle continues

Enlarge / A man walks with an umbrella outside of AT&T corporate headquarters on March 13, 2020, in Dallas, Texas. (credit: Getty Images | Ronald Martinez) AT&T lost 617,000 customers from DirecTV and its other TV businesses in the final quarter of 2020, capping a year in which it lost nearly 3 million customers in […]

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SpaceX adds laser links to Starlink satellites to serve Earth’s polar areas

Enlarge / Starlink logo imposed on stylized image of the Earth. (credit: Starlink) SpaceX has begun launching Starlink satellites with laser links that will help provide broadband coverage in polar regions. As SpaceX CEO Elon Musk wrote on Twitter on Sunday, these satellites “have laser links between the satellites, so no ground stations are needed […]

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North Korea hackers use social media to target security researchers

Enlarge / Cyber threat from North Korea. North Korean hacker at the computer, on a background of binary code, the colors of the flag of the DPRK. DDoS attack (credit: Dmitry Nogaev | Getty Images) Google has warned it has uncovered an “ongoing” state-backed hacking campaign run by North Korea targeting cyber security researchers. The […]

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AT&T may keep majority ownership of DirecTV as it closes in on final deal

Enlarge / A DirecTV satellite dish seen outside a bar in Portland, Oregon, in October 2019. (credit: Getty Images | hapabapa) AT&T is reportedly closing in on a deal to sell a stake in DirecTV to TPG, a private-equity firm. Unfortunately for customers hoping that AT&T will relinquish control of DirecTV, a Reuters report on […]