Showing only posts tagged cyberattack. Show all posts.

Cyberwar Lessons from the War in Ukraine

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The Aspen Institute has published a good analysis of the successes, failures, and absences of cyberattacks as part of the current war in Ukraine: “ The Cyber Defense Assistance Imperative ­ Lessons from Ukraine.” Its conclusion: Cyber defense assistance in Ukraine is working. The Ukrainian government and Ukrainian critical infrastructure organizations …

Attacking Machine Learning Systems

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The field of machine learning (ML) security—and corresponding adversarial ML—is rapidly advancing as researchers develop sophisticated techniques to perturb, disrupt, or steal the ML model or data. It’s a heady time; because we know so little about the security of these systems, there are many opportunities …

US Cyber Command Operations During the 2022 Midterm Elections

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The head of both US Cyber Command and the NSA, Gen. Paul Nakasone, broadly discussed that first organization’s offensive cyber operations during the runup to the 2022 midterm elections. He didn’t name names, of course: We did conduct operations persistently to make sure that our foreign adversaries …

Successful Hack of Time-Triggered Ethernet

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Time-triggered Ethernet (TTE) is used in spacecraft, basically to use the same hardware to process traffic with different timing and criticality. Researchers have defeated it : On Tuesday, researchers published findings that, for the first time, break TTE’s isolation guarantees. The result is PCspooF, an attack that allows a …

The Conviction of Uber’s Chief Security Officer

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I have been meaning to write about Joe Sullivan, Uber’s former Chief Security Officer. He was convicted of crimes related to covering up a cyberattack against Uber. It’s a complicated case, and I’m not convinced that he deserved a guilty ruling or that it’s a …

Australia Increases Fines for Massive Data Breaches

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After suffering two large, and embarrassing, data breaches in recent weeks, the Australian government increased the fine for serious data breaches from $2.2 million to a minimum of $50 million. (That’s $50 million AUD, or $32 million USD.) This is a welcome change. The problem is one …

Massive Data Breach at Uber

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It’s big : The breach appeared to have compromised many of Uber’s internal systems, and a person claiming responsibility for the hack sent images of email, cloud storage and code repositories to cybersecurity researchers and The New York Times. “They pretty much have full access to Uber,” said …

Attacking the Performance of Machine Learning Systems

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Interesting research: “ Sponge Examples: Energy-Latency Attacks on Neural Networks “: Abstract: The high energy costs of neural network training and inference led to the use of acceleration hardware such as GPUs and TPUs. While such devices enable us to train large-scale neural networks in datacenters and deploy them on edge …

15.3 Million Request-Per-Second DDoS Attack

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Cloudflare is reporting a large DDoS attack against an unnamed company “operating a crypto launchpad.” While this isn’t the largest application-layer attack we’ve seen, it is the largest we’ve seen over HTTP S. HTTPS DDoS attacks are more expensive in terms of required computational resources because …

Microsoft Issues Report of Russian Cyberattacks against Ukraine

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Microsoft has a comprehensive report on the dozens of cyberattacks — and even more espionage operations — Russia has conducted against Ukraine as part of this war: At least six Russian Advanced Persistent Threat (APT) actors and other unattributed threats, have conducted destructive attacks, espionage operations, or both, while Russian military …

Russian Cyberattack against Ukrainian Power Grid Prevented

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A Russian cyberweapon, similar to the one used in 2016, was detected and removed before it could be used. Key points: ESET researchers collaborated with CERT-UA to analyze the attack against the Ukrainian energy company The destructive actions were scheduled for 2022-04-08 but artifacts suggest that the attack had …

White House Warns of Possible Russian Cyberattacks

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News : The White House has issued its starkest warning that Russia may be planning cyberattacks against critical-sector U.S. companies amid the Ukraine invasion. [...] Context: The alert comes after Russia has lobbed a series of digital attacks at the Ukrainian government and critical industry sectors. But there’s been …

US Critical Infrastructure Companies Will Have to Report When They Are Hacked

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This will be law soon: Companies critical to U.S. national interests will now have to report when they’re hacked or they pay ransomware, according to new rules approved by Congress. [...] The reporting requirement legislation was approved by the House and the Senate on Thursday and is expected …

Insurance Coverage for NotPetya Losses

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Tarah Wheeler and Josephine Wolff analyze a recent court decision that the NotPetya attacks are not considered an act of war under the wording of Merck’s insurance policy, and that the insurers must pay the $1B+ claim. Wheeler and Wolff argue that the judge “did the right thing …

New DeadBolt Ransomware Targets NAT Devices

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There’s a new ransomware that targets NAT devices made by QNAP: The attacks started today, January 25th, with QNAP devices suddenly finding their files encrypted and file names appended with a.deadbolt file extension. Instead of creating ransom notes in each folder on the device, the QNAP device …

Merck Wins Insurance Lawsuit re NotPetya Attack

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The insurance company Ace American has to pay for the losses: On 6th December 2021, the New Jersey Superior Court granted partial summary judgment (attached) in favour of Merck and International Indemnity, declaring that the War or Hostile Acts exclusion was inapplicable to the dispute. Merck suffered US$1 …

Red Cross implores hackers not to leak data for 515k “highly vulnerable people”

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Enlarge (credit: Getty Images ) The Red Cross on Wednesday pleaded with the threat actors behind a cyberattack that stole the personal data of about 515,000 people who used a program that works to reunite family members separated by conflict, disaster or migration. "While we don't know who is …

Ukraine says government websites hit by “massive cyber attack”

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Enlarge / A Ukrainian Military Forces serviceman watches through a spyglass in a trench on the frontline with Russia-backed separatists near Avdiivka, southeastern Ukraine, on January 9, 2022. (credit: Anatolii Stepanov | Getty Images) Ukraine said it was the target of a “massive cyber attack” after about 70 government websites ceased …

Ransomware Attacks against Water Treatment Plants

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According to a report from CISA last week, there were three ransomware attacks against water treatment plants last year. WWS Sector cyber intrusions from 2019 to early 2021 include: In August 2021, malicious cyber actors used Ghost variant ransomware against a California-based WWS facility. The ransomware variant had been …

Nasty Printer Driver Vulnerability

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From SentinelLabs, a critical vulnerability in HP printer drivers: Researchers have released technical details on a high-severity privilege-escalation flaw in HP printer drivers (also used by Samsung and Xerox), which impacts hundreds of millions of Windows machines. If exploited, cyberattackers could bypass security products; install programs; view, change, encrypt …

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