Malwarebytes

MARCH 30, 2021

Mespinoza originally used the.locked extension on encrypted files, and then shifted to using.pysa. PYSA is capable of exfiltrating data from its victims before encrypting the files to be ransomed. PYSA’s “leak list” blog uses a vintage MS-DOS theme and ASCII art. Leaks of exfiltrated data landed on PYSA’s blog.

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Ransomware Encryption Education Government 102

SC Magazine

MAY 11, 2021

In a blog, Check Point researchers said they have worked with AWS Security to provide customers with the necessary information to help them resolve any configuration issues with the SSMs. Do not share deploy processes and backup procedures. Remain vigilant of the information the company posts to a public SSM.

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Backups Social Engineering Encryption Media 140

CyberSecurity Insiders

JUNE 24, 2021

As #RansomwareWeek draws to a close here on the (ISC)² blog, we turn our attention to how organizations can defend themselves. Data Backup. Back up all data as well as “every nonstandard application and its supporting IT infrastructure,” and test the backup and recovery to ensure they can handle an attack. Least Privilege.

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Ransomware Backups Penetration Testing Education 103

Webroot

FEBRUARY 11, 2021

While we can all rejoice that 2020 is over, cybersecurity experts agree we haven’t seen the last of the pandemic-related rise in cyberattacks. Thought to be pioneered by the Maze ransomware group , a new tactic emerged in 2020 in which ransomware authors changed their business model. Recent trends in ransomware back up these insights.

Backups 95

Backups Ransomware Encryption Phishing 95

Security Boulevard

JULY 21, 2022

Since 2020, chosen-prefix attacks against SHA-1 are feasible. The same issues, or even worse, will be faced in the near future if businesses, organizations and agencies fail to be proactive in establishing concise and comprehensive policies and practices for migrating to a post-quantum encryption regime. SHA-1 Deprecation.

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Encryption Authentication Architecture Backups 114

Herjavec Group

SEPTEMBER 24, 2021

T1083 File and Directory Discovery BlackMatter uses native functions to enumerate files and directories searching for targets to encrypt. . T1486 Data Encrypted for Impact BlackMatter encrypts files using a custom Salsa20 algorithm and RSA. . . 01, 2020). . [4] T1489 Service Stop BlackMatter stops services. .

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Ransomware Manufacturing Energy and Utilities Encryption 109

Webroot

APRIL 21, 2021

Although cybercriminal activity throughout 2020 was as innovative as ever, some of the most noteworthy threat activity we saw came from the old familiar players, namely ransomware, business email compromise (BEC) and phishing. By September 2020, the average ransom payment peaked at $233,817. “In

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Threat Reports Phishing Ransomware Backups 103

The Last Watchdog

MAY 5, 2022

Well, the stats are even scarier with over 50% increase in ransomware attacks in 2021, compared to 2020. Back up your data and secure your backups in an offline location. If the data is online, then it’s accessible to bad actors and just waiting to be encrypted for ransom. Ransomware? Related: Make it costly for cybercriminals.

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Ransomware Risk Internet Internet 247

SiteLock

SEPTEMBER 29, 2021

In 2020, IBM researchers estimated REvil’s annual profits were nearly $81 million. REvil ransomware is a file-blocking virus that encrypts files after infection and shares a ransom request message. If REvil’s demands aren’t met, they threaten to release the stolen data by auctioning it off on its website “The Happy Blog”.

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Ransomware Computers and Electronics Backups Passwords 52

eSecurity Planet

AUGUST 12, 2021

billion in revenue during its fiscal year 2020, has declined to comment on whether it saw the ransomware-as-a-service (RaaS) attack as an insider job or how many of their systems were impacted. ” Accenture Got Backup Right. There was no impact on Accenture’s operations, or on our clients’ systems.”

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Ransomware Backups Cybercrime Artificial Intelligence 104

McAfee

JANUARY 7, 2021

1] Schellman, December 2020. appeared first on McAfee Blogs. Compliance with legal and regulatory requirements, etc. McAfee’s ISO 27701 certificate, along with its other certificates, is publicly available at trust.mcafee.com/privacy-compliance. [1] The post McAfee Welcomes its ISO 27701 Certificate!

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Data privacy Backups Risk Media 71

Malwarebytes

MAY 6, 2022

REvil (aka Sodinokibi) first appeared in May 2020 and has been responsible for numerous high-profile ransomware attacks, including arguably the biggest ransomware attack of all time—a supply-chain attack on Kaseya VSA in July 2021 that is thought to have affected over 1,000 businesses. An old enemy returns. New gangs emerge. Source: IC3.gov.

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Ransomware Encryption Accountability Technology 77

Malwarebytes

MAY 28, 2021

In this blog, we’ll home in on Conti, the strain identified by some as the successor, cousin or relative of Ryuk ransomware , due to similarities in code use and distribution tactics. The files are then held for ransom and the victim is threatened by data loss, because of the encryption, and leaking of the exfiltrated data.

Healthcare 104

Healthcare Ransomware Encryption Passwords 104

SiteLock

OCTOBER 20, 2021

According to the FBI , DoppelPaymer attacks escalated in late 2020, with a hospital in Germany, a U.S. Emotet kickstarts other malicious software that encrypts files or drives on the network and changes passwords to lock users out of the system. If possible, store at least one backup in a different physical location than your device.

Software 52

Software Ransomware Backups Malware 52

Webroot

JANUARY 13, 2021

Maze ransomware, which made our top 10 list for Nastiest Malware of 2020 (not to mention numerous headlines throughout the last year), was officially shut down in November of 2020. So, they didn’t just steal and encrypt your files like other ransomware; they threatened to expose the data for all to see or even sell it at auction.

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Ransomware Malware Backups Data breaches 63

Fox IT

JUNE 2, 2020

Publicly discovered in late April 2020, the Team9 malware family (also known as ‘Bazar [ 1 ]’) appears to be a new malware being developed by the group behind Trickbot. The purpose of this blog post is to describe the functionality of the two components, the loader and the backdoor. Similar payload decryption technique.

Malware 48

Malware DNS Architecture Backups 48

McAfee

AUGUST 27, 2020

If they were fortunate to have made backups, they can choose to reimage their machines. But McAfee’s endpoint solution includes a unique feature that allows customers to actually roll back the effects of a ransomware attack with enhanced remediation technology that can even restore encrypted data. September 29, 2020.

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Ransomware Technology Big data Backups 54

Fox IT

JANUARY 12, 2021

NCC Group and Fox-IT observed this threat actor during various incident response engagements performed between October 2019 until April 2020. This research project covers the fingerprinting of Cobalt Strike servers and is described in Fox-IT blog “ Identifying Cobalt Strike team servers in the wild ”. m5 = use compression level 5.

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VPN Accountability Passwords DNS 68

Veracode Security

NOVEMBER 16, 2020

In 2017, we started a blog series talking about how to securely implement a crypto-system in java. Encryption/Decryption. There are some exciting advances in Java Cryptography since version 8, and also in the cryptographic community at large since we last spoke about this in Encryption/Decryption. Symmetric Encryption.

Encryption 82

Encryption Authentication Architecture Engineering 82

Spinone

FEBRUARY 11, 2020

How Sodinokibi Works Sodinokibi exploits a vulnerability in Oracle WebLogic ( CVE-2019-2725 ), trying to get access to user data and encrypt it. This ransomware strain encrypts files and appends a random extension to encrypted files. Making things worse, Sodin may infect on-site backups as well. Moreover, several U.K.

Ransomware 52

Ransomware Backups Encryption Social Engineering 52

Webroot

FEBRUARY 10, 2022

Schools, local governments and hospitals are some of the most commonly targeted types of institutions, accounting for some 2,400 breaches in 2020, according to the Ransomware Task Force’s (RTF) 2021 report. According to the RTF, “In 2020, two-thirds of the ransomware attacks…were perpetrated by cyber criminals using a RaaS model.”

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Ransomware Small Business Backups Threat Reports 106

Fox IT

JUNE 23, 2020

WastedLocker is a new ransomware locker we’ve detected being used since May 2020. We believe it has been in development for a number of months prior to this and was started in conjunction with a number of other changes we have seen originate from the Evil Corp group in 2020. WastedLocker. WastedLocker Ransomware.

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Ransomware Encryption Malware Architecture 45

SecureList

MAY 12, 2021

Along with the rise of big-game hunting in 2020, we saw the emergence of a number of high-profile groups in the ransomware world. An optional role here is the packer developer, who may add protection layers to the ransomware program and make it harder for security products to detect for the few hours it needs to encrypt the whole network.

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Ransomware Encryption Malware Cybercrime 129

McAfee

SEPTEMBER 14, 2021

McAfee customers are protected from the malware/tools described in this blog. A more detailed blog with specific recommendations on using the McAfee portfolio and integrated partner solutions to defend against this attack can be found here. The IP is pushed into the list generated by the malware at runtime. malware: Mozilla/5.0

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Malware DNS Accountability Manufacturing 144

Malwarebytes

JULY 13, 2022

To add insult to injury, REvil (aka Sodonokibi) appeared to return in April with new payloads and a fresh leak blog featuring a mixture of recent and old victims. Automatic data backups to offsite and/or segmented servers will be key in keeping businesses operational in case of breach. Ransomware mitigations.

Ransomware 106

Ransomware Manufacturing Government Computers and Electronics 106

SecureList

JUNE 15, 2022

Complex attacks almost invariably feature several phases, such as reconnaissance, initial access to the infrastructure, gaining access to target systems and/or privileges, and the actual malicious acts (data theft, destruction or encryption, etc.). 2TB of 2020-2021 data: credentials related to banking accounts and the most popular services.

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VPN Accountability Ransomware Encryption 97

Cisco Security

APRIL 29, 2021

Basically, it took months of planning and execution which included ordering circuits, getting connectivity up and spending hours, and sometimes days, deploying complex configurations to secure the connectivity by establishing encrypted tunnels and steering the right traffic across them. Obviously, all this work was manual.

Internet 122

Internet Internet Banking Backups 122

Cisco Security

APRIL 29, 2021

Basically, it took months of planning and execution which included ordering circuits, getting connectivity up and spending hours, and sometimes days, deploying complex configurations to secure the connectivity by establishing encrypted tunnels and steering the right traffic across them. Obviously, all this work was manual.

Internet 83

Internet Internet Banking Backups 83

McAfee

AUGUST 24, 2021

For a brief overview please see our summary blog here. It is estimated that there are over 200 million IV infusions administered globally each year, and 2020 sales of IV pumps in the US were at $13.5 Attacks are now showing potential for patient harm with one example beginning on October 28 th , 2020. Table of Contents.

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Computers and Electronics Authentication Software Risk 145

McAfee

MAY 20, 2021

Despite detailed guidelines [3] issued in November 2020, in the absence of new definitive guidelines for transferring data across European borders [4] , many are starting to wonder whether data localisation is the magic bullet to protect personal data. development, debugging and maintenance), and backup (e.g. ” [6]. 1] [link]. [2]

Surveillance 60

Surveillance VPN Internet Internet 60

McAfee

SEPTEMBER 22, 2021

As per the Verizon DBIR report 2020 , over 80% of data breaches involve credential theft attacks. Over the course of this blog, we will discuss various credential theft techniques used by adversaries during lateral movement. TGS response from the KDC will have the Kerberos Ticket encrypted with the hash of the service account.

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Authentication Accountability Encryption Passwords 104

Security Boulevard

MARCH 25, 2022

If you work there, skip this blog and go read their report first! WIRED magazine also wrote about the group Berzerk Bear in October 2020 in their article " The Russian Hackers Playing Chekov's Gun with US Infrastructure." . CISA/FBI and the New Era of Transparency.

Education 64

Education Government Malware Financial Services 64

Digital Shadows

NOVEMBER 1, 2022

This tactic refers to when ransomware operators exfiltrate data before encryption, and then threaten to publish the data on a publicly available data leaks site as an additional layer of extortion. It also gives incident responders less chance to respond to the attack, in attempting to restore files via backups.

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Cyber threats Ransomware Media Data breaches 52

ForAllSecure

MAY 18, 2021

He also talks about his infosec journey hacking cryptocurrencies, joining the Digital Defense Service and CISA, and helping secure the 2020 presidential election… all before the age of 22. Failure to pay, and your data is encrypted forever. Vamosi: Somehow Jack ended up working on security behind the 2020 presidential election.

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Hacking Ransomware Cryptocurrency Engineering 52

ForAllSecure

MAY 18, 2021

He also talks about his infosec journey hacking cryptocurrencies, joining the Digital Defense Service and CISA, and helping secure the 2020 presidential election… all before the age of 22. Failure to pay, and your data is encrypted forever. Vamosi: Somehow Jack ended up working on security behind the 2020 presidential election.

Hacking 52

Hacking Ransomware Cryptocurrency Engineering 52

SecureList

JULY 28, 2022

We identified a Windows variant of this sample using the same string encryption algorithm, internal modules, and functionalities. In March, Proofpoint published a blog post about a new spear-phishing campaign related to the war in Ukraine, tentatively attributed to the Russian-speaking actor UNC1151 (aka TA445 and Ghostwriter).

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Malware Firmware Phishing Cryptocurrency 136

Fox IT

MAY 4, 2021

But if you would like to understand the rather tortured history of this particular malware a little better, the research and blog posts on the subject by Check Point are a good starting point. This golden age came to a sudden end with a sharp decline in 2020. Q3 2019 – Q2 2020, Classic fraud era.

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Banking Malware Encryption Architecture 98