Where the Latest Log4Shell Attacks Are Coming From

Cybersecurity professionals across the world have been scrambling to shore up their systems against a critical remote code-execution RCE flaw CVE-2021-44228 in the Apache Log4j tool, discovered just days ago. Now under active exploit, the “Log4Shell” bug allows complete server takeover. Researche...

Russia’s Internet Censorship Machine Is Going After Tor

The attempt to block the site, which helps users mask their online activity, is the latest step in the country's efforts to control the internet...

Russia Blocks Tor Privacy Service in Latest Censorship Move

Russia has stepped up its censorship efforts in the country by fully blocking access to the Tor web anonymity service, coinciding with the ban of six virtual private network VPN operators, as the government continues its efforts to control the internet and crack down on attempts to circumvent...

A Year After SolarWinds, Supply Chain Threats Still Loom

The Russia-led campaign was a wake-up call to the industry, but there's no one solution to the threat...

SolarWinds Attackers Spotted Using New Tactics, Malware

One year after the notorious and far-reaching SolarWinds supply-chain attacks, its orchestrators are on the offensive again. Researchers said they’ve seen the threat group – which Microsoft refers to as “Nobelium” and which is linked to Russia’s spy agency – compromising global business and...

SolarWinds Hackers Targeting Government and Business Entities Worldwide

Nobelium, the threat actor attributed to the massive SolarWinds supply chain compromise, has been once again linked to a series of attacks targeting multiple cloud solution providers, services, and reseller companies, as the hacking group continues to refine and retool its tactics at an alarming...

Hackers Targeting Biomanufacturing Facilities With Tardigrade Malware

An advanced persistent threat APT has been linked to cyberattacks on two biomanufacturing companies that occurred this year with the help of a custom malware loader called "Tardigrade." That's according to an advisory published by Bioeconomy Information Sharing and Analysis Center BIO-ISAC this...

REvil Affiliates Arrested; DOJ Seizes $6M in Ransom

International law enforcement is squeezing REvil affiliates out of hiding, but the underground is shrugging it off: They know that Russia won’t touch a hair on the heads of the Russian-speaking ransomware operators, experts say. On Monday, Europol announced the arrest of a total of seven suspecte...

Ukraine Identifies Russian FSB Officers Hacking As Gamaredon Group

Ukraine's premier law enforcement and counterintelligence agency on Thursday disclosed the real identities of five individuals allegedly involved in digital intrusions attributed to a cyber-espionage group named Gamaredon, linking the members to Russia's Federal Security Service FSB. Calling the...

Grief Ransomware Targets NRA

A ransomware group tied to Russia claims to have stolen data from the National Rifle Association NRA in a ransomware attack on the controversial gun-rights group, which has declined to comment on the situation. The Grief ransomware gang listed the NRA as a victim of its nefarious activity on its...

PT-2021-23636

ParsedReport CompletenessLow 07-10-2025 Crimson Collective: A New Threat Group Observed Operating in the Cloud https://www.rapid7.com/blog/post/tr-crimson-collective-a-new-threat-group-observed-operating-in-the-cloud Report completeness: Low Actors/Campaigns: Crimson collective Threats: Truffleho...

Groove Calls for Cyberattacks on US as REvil Payback

UPDATE: Subsequent reporting and disclosures show “Groove” was a hoax intended to lure media outlets into reporting on fake potential threats against U.S. government interests. Threatpost regrets falling for a troll. Lesson learned and apologies to our readers. Following the recent international...

SolarWinds APT Targets Tech Resellers in Latest Supply-Chain Cyberattacks

The SolarWinds attackers – an advanced persistent threat APT known as Nobelium – have started a new wave of supply-chain intrusions, this time using the technology reseller/service provider community to attack their targets. The activity has affected victims in North America and Europe thus far,...

Microsoft Digital Defense Report shares new insights on nation-state attacks

Microsoft is proud to promote Cybersecurity Awareness Month as part of our ongoing commitment to security for all. Year-round, Microsoft tracks nation-state threat activities to help protect organizations and individuals from these advanced persistent actors. We’re constantly improving our...

REvil Ransomware Gang Goes Underground After Tor Sites Were Compromised

REvil, the notorious ransomware gang behind a string of cyberattacks in recent years, appears to have gone off the radar once again, a little over a month after the cybercrime group staged a surprise return following a two-month-long hiatus. The development, first spotted by Recorded Future's...

A New APT Hacking Group Targeting Fuel, Energy, and Aviation Industries

A previously undocumented threat actor has been identified as behind a string of attacks targeting fuel, energy, and aviation production industries in Russia, the U.S., India, Nepal, Taiwan, and Japan with the goal of stealing data from compromised networks. Cybersecurity company Positive...

Cybersecurity Firm Group-IB's CEO Arrested Over Treason Charges in Russia

Russian authorities on Wednesday arrested and detained Ilya Sachkov, the founder of cybersecurity firm Group-IB, for two months in Moscow on charges of state treason following a search of its office on September 28. The Russian company, which is headquartered in Singapore, confirmed the developme...

EU: Russia Behind ‘Ghostwriter’ Campaign Against Germany

In the wake of cyberattacks targeting the recently held German elections, the European Union has blamed Russia for an ongoing disinformation campaign called “Ghostwriter.” Germany is the latest target in an effort that for years has tried to discredit NATO, and which has both smeared and...

Russian Turla APT Group Deploying New Backdoor on Targeted Systems

State-sponsored hackers affiliated with Russia are behind a new series of intrusions using a previously undocumented implant to compromise systems in the U.S., Germany, and Afghanistan. Cisco Talos attributed the attacks to the Turla advanced persistent threat APT group, coining the malware...

Uber security alert scam spoofs real Uber number—Watch out!

This morning Malwarebytes Labs received a scam masquerading as a security alert from Uber. The alert was pretty convincing and used the kind of language were used to seeing in genuine security emails and SMS messages. It read: Your Uber account was recently logged into from iPhone in London. If...