#StopRansomware: Daixin Team

Summary Actions to take today to mitigate cyber threats from ransomware: Install updates for operating systems, software, and firmware as soon as they are released. Require phishing-resistant MFA for as many services as possible. Train users to recognize and report phishing attempts. Note: This...

US healthcare organizations targeted by Daixin Team ransomware

Threat Level Actor Report For a detailed threat advisory, download the pdf file here Summary Daixin Team ransomware, and data extortion group has been gaining initial access to victims through virtual private networks VPN servers since June 2022, either by exploiting an unpatched vulnerability in...

#StopRansomware: Daixin Team

CISA, the Federal Bureau of Investigation FBI, and the Department of Health and Human Services HHS have released a joint Cybersecurity Advisory CSA, StopRansomware: Daixin Team to provide information on the “Daixin Team,” a cybercrime group actively targeting U.S. businesses, predominantly in the...

Emotet Botnet Started Distributing Quantum and BlackCat Ransomware

The Emotet malware is now being leveraged by ransomware-as-a-service RaaS groups, including Quantum and BlackCat, after Conti's official retirement from the threat landscape this year. Emotet started off as a banking trojan in 2014, but updates added to it over time have transformed the malware...

Iranian Islamic Revolutionary Guard Corps-Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations

Summary Actions to take today to protect against ransom operations: • Keep systems and software updated and prioritize remediating known exploited vulnerabilities. • Enforce MFA. • Make offline backups of your data. This joint Cybersecurity Advisory CSA is the result of an analytic effort among t...

Iranian Islamic Revolutionary Guard Corps Affiliated Cyber Actors Exploiting Vulnerabilities for Data Extortion and Disk Encryption for Ransom Operations

CISA, Federal Bureau of Investigation FBI, National Security Agency NSA, U.S. Cyber Command USCC - Cyber National Mission Force CNMF, Department of the Treasury, Australian Cyber Security Centre ACSC, Canadian Centre for Cyber Security CCCS, and United Kingdom’s National Cyber Security Centre NCS...

For months, JusTalk messages were accessible to everyone on the Internet

JusTalk, a popular mobile video calling and messaging app with 20 million global users, exposed a massive database of supposedly private messages to the public Internet for months. According to security researcher Anurag Sen, who discovered the open database, the messages were stored unencrypted,...

For months, JusTalk messages were accessible to everyone on the Internet

JusTalk, a popular mobile video calling and messaging app with 20 million global users, exposed a massive database of supposedly private messages to the public Internet for months. According to security researcher Anurag Sen, who discovered the open database, the messages were stored unencrypted,...

Karakurt extortion group: Threat profile

The FBI Federal Bureau of Investigation, together with CISA Cybersecurity and Infrastructure Security Agency and other federal agencies, recently released a joint cybersecurity advisory CSA about the Karakurt data extortion group also known as Karakurt Team and Karakurt Lair. Like RansomHouse,...

Karakurt Data Extortion Group

CISA, the Federal Bureau of Investigation FBI, the Department of Treasury, and the Financial Crimes Enforcement Network FinCEN have released a joint Cybersecurity Advisory CSA to provide information on the Karakurt data extortion group. Karakurt actors steal data and threaten to auction it off or...

DEA Investigating Breach of Law Enforcement Data Portal

The U.S. Drug Enforcement Administration DEA says it is investigating reports that hackers gained unauthorized access to an agency portal that taps into 16 different federal law enforcement databases. KrebsOnSecurity has learned the alleged compromise is tied to a cybercrime and online harassment...

U.S. Offering $10 Million Reward for Information on Conti Ransomware Hackers

The U.S. State Department has announced rewards of up to $10 million for any information leading to the identification of key individuals who are part of the infamous Conti cybercrime gang. Additionally, it's offering another $5 million for intelligence information that could help arrest or convi...

T-Mobile Admits Lapsus$ Hackers Gained Access to its Internal Tools and Source Code

Telecom company T-Mobile on Friday confirmed that it was the victim of a security breach in March after the LAPSUS$ mercenary gang managed to gain access to its networks. The acknowledgment came after investigative journalist Brian Krebs shared internal chats belonging to the core members of the...

British Police Charge Two Teenagers Linked to LAPSUS$ Hacker Group

The City of London Police on Friday disclosed that it has charged two of the seven teenagers, a 16-year-old and a 17-year-old, who were arrested last week for their alleged connections to the LAPSUS$ data extortion gang. "Both teenagers have been charged with: three counts of unauthorized access ...

Fake Emergency Search Warrants Draw Scrutiny from Capitol Hill

On Tuesday, KrebsOnSecurity warned that hackers increasingly are using compromised government and police department email accounts to obtain sensitive customer data from mobile providers, ISPs and social media companies. Today, one of the U.S. Senates most tech-savvy lawmakers said he was trouble...

Lapsus$ ‘Back from Vacation’

The Lapsus$ data extortionists are back from a week-long “vacation,” they announced on Telegram, posting 70GB worth of data purportedly stolen from software development giant Globant. “We are officially back from a vacation,” the gang wrote on their Telegram channel, posting images of exfiltrated...

UK Cops Collar 7 Suspected Lapsus$ Gang Members

City of London Police have arrested seven people suspected of being connected to the Lapsus$ gang. The bust came within hours of Bloomberg having published a report about a teenage boy living at his mother’s house near Oxford, England who’s suspected of being the Lapsus$ mastermind. The police...

A Closer Look at the LAPSUS$ Data Extortion Group

Microsoft and identity management platform Okta both this week disclosed breaches involving LAPSUS$, a relatively new cybercrime group that specializes in stealing data from big companies and threatening to publish it unless a ransom demand is paid. Heres a closer look at LAPSUS$, and some of the...

Lapsus$ Data Kidnappers Claim Snatches From Microsoft, Okta

Both Microsoft and Okta are investigating claims by the new, precocious data extortion group Lapsus$ that the gang has breached their systems. Lapsus$ claimed to have gotten itself “superuser/admin” access to internal systems at authentication firm Okta. It also posted 40GB worth of files to its...

Quarterly Report: Incident Response trends in fall 2019

By David Liebenberg and Kendall McKay. While many Cisco Talos Incident Response CTIR engagements have shown similar patterns over the past two quarters, we’re seeing a dangerous trend emerge this winter. Threat actors are increasingly combining the exfiltration of sensitive data along with data...