U.S. wireless telecom UScellular, a regional carrier serving roughly 5 million customers, says a data breach at a third-party vendor resulted in a leak of 52,000 names and email addresses. The company confirmed that data from the leak is available for download on a criminal data breach forum.
Ukrainian and Polish cyber defenders are warning against a slew of phishing websites that mimic official sites, in particular a page that mimics the Ministry of Foreign Affairs of Ukraine. A hacking group likely comprised of Russian speakers uses the pages to lure users into downloading software.
While malicious wipers have stolen most of the headlines in the Russia-Ukraine cyberwar, investigators say Russians are now using modified GammaLoad and GammaSteel info stealer malware to spy on compromised government employee accounts and avoid detection. The attack begins with a phishing email.
Security researchers say they found the Russian intelligence-linked Sandworm threat actor deploying a novel disk wiper against an energy sector company located in Ukraine. Data wipers have played a key role in Russia's hacking campaign against Ukraine.
Ukraine traced a cyberattack that delayed a press briefing by the nation's information protection agency Tuesday to Russian Sandworm hackers. The group, which is accused of using wiper malware to disrupt the Ukrainian national Media Center, has close ties to the Russian GRU, investigators say.
A pro-Kremlin hacking group with a history of launching distributed denial-of-service attacks took its annoyance tactics to Germany following Berlin's announcement that it will ship Leopard 2 battle tanks to Ukraine's front lines. A German government spokesperson said the attacks had minimal effect.
A North Korean hacking group tracked by cybersecurity firm Proofpoint as TA444 in December unleashed a torrent of spam in a bid to harvest credentials - evidence of a hacking group that mirrors "startup culture in its devotion to the dollar and to the grind."
Android malware highlighted by Dutch cybersecurity firm ThreatFabric shows the line between a banking Trojan and advanced spyware. The Trojan, dubbed Hook, can take a screenshot, simulate clicks and input swipe gesture commands. It can also take control of WhatsApp.
Australia started operating an international ransomware task force to facilitate information sharing and best practices worldwide. “Recent cyber incidents in Australia and around the globe are a stark reminder of the insidious nature of ransomware," said Minister for Home Affairs Clare O'Neil.
Security appliances are targets for sophisticated threat actors who take advantage of devices' limited configuration and logging features, as well as their incompatibility with endpoint detection and response. Suspected Chinese hackers took advantage of a Fortinet zero-day to implant a backdoor.
Ukraine's top information protection agency says Russian cyberattacks are focusing on destruction of critical information infrastructure, spying and disinformation. Although efforts are underway, it will require $1.79 billion to completely restore the telecommunication sector, it says.
A high-severity vulnerability patched by Google Chrome a few months ago allowed hackers to steal sensitive files such as crypto wallets. Hackers increasingly are targeting individuals and organizations that hold cryptocurrencies, writes Imperva security researcher Ron Masas, who discovered the flaw.
Senior U.S. and Japanese officials pledged deepened cooperation in cyberspace while signaling readiness to rebuff China through deployment of an upgraded Marine Corps unit to Okinawa. U.S. President Joe Biden is set to meet Friday with Japanese Prime Minister Fumio Kishida at the White House.
The Vice Society ransomware group today claimed responsibility for a December 2022 attack on an Australian state fire department that led to a widespread IT outage. Fire Rescue Victoria warned current and former employees and job applicants of data leak.
The Hive ransomware-as-a-service group claimed responsibility for a data breach involving patients of a U.S. nursing home chain with a checkered past. The chain, Consulate Health Care, posted a notice saying the leak originated at an unnamed vendor.
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