Krebs on Security

JULY 25, 2023

Researchers this month uncovered a two-year-old Linux-based remote access trojan dubbed AVrecon that enslaves Internet routers into botnet that bilks online advertisers and performs password-spraying attacks. ” According to Kilmer, AVrecon is the malware that gives SocksEscort its proxies. SocksEscort[.]com

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Malware VPN Internet Internet 211

Security Affairs

MAY 20, 2024

Researchers discovered a sophisticated cybercriminal campaign by Russian-speaking threat actors that used GitHub to distribute malware. The campaign shows how attackers exploit trusted internet services to carry out cyberattacks that steal personal information. This tactic allows them to avoid detection.

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Malware Banking Software Advertising 98

Heimadal Security

NOVEMBER 1, 2021

The double-extortion ransomware group dubbed Hive also encrypts Linux and FreeBSD with new malware versions designed specifically for these operating systems. The post Hive Ransomware Now Encrypts Linux and FreeBSD Operating Systems appeared first on Heimdal Security Blog. During ESET’s investigation, the Linux […].

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Encryption Ransomware Firewall Internet 121

Identity IQ

FEBRUARY 7, 2023

7 Tips to Follow for Safer Internet Day IdentityIQ The 20 th annual Safer Internet Day is taking place on Feb. Safer Internet Day is a campaign that aims to educate the public on internet safety and encourage everyone to take part in creating a safer internet. Why is Safer Internet Day Important?

Internet 94

Internet Internet Identity Theft Scams 94

eSecurity Planet

OCTOBER 6, 2021

The malware encrypts files and spreads to the entire system to maximize damage, which forces companies to lock down the whole network to stop the propagation. Encryption is the Key. Encryption is used everywhere. Encrypting is neither hashing nor obfuscating files. What Happens During Ransomware Encryption?

Encryption 107

Encryption Ransomware Backups Malware 107

Schneier on Security

APRIL 2, 2024

Anyone in possession of a predetermined encryption key could stash any code of their choice in an SSH login certificate, upload it, and execute it on the backdoored device. In theory, the code could allow for just about anything, including stealing encryption keys or installing malware. It was an incredibly complex backdoor.

Social Engineering 319

Social Engineering Engineering Software Encryption 319

The Last Watchdog

APRIL 21, 2021

From January through March 2021, TLS concealed 45 percent of the malware Sophos analysts observed circulating on the Internet; that’s double the rate – 23 percent – seen in early 2020, Dan Schiappa, Sophos’ chief product officer, told me in a briefing. And then they may use off-the-shelf malware to carry out their attack.

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Malware Firewall Encryption Digital transformation 214

Security Boulevard

APRIL 5, 2021

Cybercriminals are increasingly leveraging fileless malware, cryptominers and encrypted attacks, targeting users both at remote locations as well as corporate assets behind the traditional network perimeter.

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Malware Encryption Internet Internet 126

SecureList

APRIL 18, 2022

Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files. This is necessary to make files used by other programs available for encryption. The encryption code for big files. Yanluowang description.

Encryption 144

Encryption Ransomware Backups VPN 144

Security Affairs

MARCH 11, 2024

The financially motivated hacking group Magnet Goblin uses various 1-day flaws to deploy custom malware on Windows and Linux systems. The group focuses on internet-facing services, in at least one instance the group exploited the vulnerability CVE-2024-21887 in Ivanti Connect Secure VPN. 4 Run a Linux command in a separate thread.

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Malware VPN Encryption Hacking 98

CSO Magazine

APRIL 29, 2021

There has been massive growth in the encryption of Internet traffic—from 50% in January 2014 to 95% as of March 20, 2021, according to Google’s Transparency Report. It’s a good thing that organizations are using encryption to protect critical network data. This rise is a double-edged sword.

Encryption 88

Encryption Internet Internet Technology 88

Security Affairs

DECEMBER 29, 2023

Ukraine’s CERT (CERT-UA) warned of a new phishing campaign by the APT28 group to deploy previously undocumented malware strains. The group employed previously undetected malware such as OCEANMAP, MASEPIE, and STEELHOOK to steal sensitive information from target networks. file classified as MASEPIE.

Phishing 114

Phishing Malware Computers and Electronics Internet 114

The Last Watchdog

JUNE 2, 2021

They outlined why something called attribute-based encryption, or ABE, has emerged as the basis for a new form of agile cryptography that we will need in order to kick digital transformation into high gear. PKI is the authentication and encryption framework on which the Internet is built. Attribute-based access.

Encryption 176

Encryption Artificial Intelligence IoT Data collection 176

eSecurity Planet

NOVEMBER 2, 2022

If you’ve used a computer for more than 5 minutes, you probably know a thing or two about computer viruses and malware. On the modern Internet, malware is a near-constant presence. Though often conflated with one another, malware and computer viruses aren’t necessarily the same thing. From Theory to Reality: 1948-1971.

Malware 140

Malware Ransomware Antivirus Internet 140

Malwarebytes

FEBRUARY 6, 2024

Released today, the Malwarebytes State of Malware 2024 report takes a deep dive into the latest developments in the world of cybercrime. It also acts as a reminder to be careful about what you share, even if you are under the impression that you are using the internet securely. This is changing.

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Malware Passwords Identity Theft Banking 78

Security Affairs

SEPTEMBER 9, 2022

Iran-linked APT group DEV-0270 (aka Nemesis Kitten) is abusing the BitLocker Windows feature to encrypt victims’ devices. Microsoft Security Threat Intelligence researchers reported that Iran-linked APT group DEV-0270 ( Nemesis Kitten ) has been abusing the BitLocker Windows feature to encrypt victims’ devices.

Encryption 117

Encryption Internet Internet Firewall 117

SecureList

APRIL 18, 2022

Kaspersky experts have found a vulnerability in the Yanluowang encryption algorithm and created a free decryptor to help victims of this ransomware with recovering their files. This is necessary to make files used by other programs available for encryption. The encryption code for big files. Yanluowang description.

Encryption 119

Encryption Ransomware Backups VPN 119

The Last Watchdog

FEBRUARY 18, 2020

It was just a few short years ago that the tech sector, led by Google, Mozilla and Microsoft, commenced a big push to increase the use of HTTPS – and its underlying TLS authentication and encryption protocol. Related: Why Google’s HTTPS push is a good thing At the time, just 50 % of Internet traffic used encryption.

Encryption 218

Encryption Firewall Risk IoT 218

Malwarebytes

JUNE 8, 2022

The common wisdom goes that Linux malware is rare, and for the most part this is true. Thanks to its built-in security defenses, strict user privilege model, and transparent source code, Linux enjoys far fewer malware infections than other operating systems. encrypt extension being appended to affected files. Cloud Snooper.

Malware 105

Malware IoT DDOS Firewall 105

Security Affairs

JUNE 7, 2023

aerospace defense sector with a new PowerShell malware dubbed PowerDrop. The PowerShell-based malware uses advanced techniques to evade detection, including deception, encoding, and encryption. The malware is being used to remotely execute commands on the infected systems and gather information from the target network.

Malware 83

Malware Encryption Internet Internet 83

eSecurity Planet

OCTOBER 13, 2021

Sophos cybersecurity researchers have discovered a Python-based ransomware operation that escalated from a compromised corporate network to encrypted virtual machines in just three hours. These instructions are used to list all VMs and shut them down, necessary for starting the encryption. Faster Encryption Means Higher Risk.

Encryption 114

Encryption Ransomware Penetration Testing Password Management 114

Cisco Security

MARCH 16, 2021

Hiding internet activity strengthens privacy—but also makes it easier for bad actors to infiltrate the network. In fact, 63% of threats detected by Cisco Stealthwatch in 2019 were in encrypted traffic. Privacy suffers when people can snoop on your internet activity and sell your data. DoH prevents both of these problems.

Encryption 85

Encryption DNS Threat Detection Internet 85

Security Boulevard

FEBRUARY 20, 2022

Attackers have always targeted online collaboration tools like Slack and Discord for malware distribution and phishing. Hackers get the added benefit of attacking over Teams or any other similar service if they use SSL encryption which can automatically bypass some security tools which are oblivious to things happening under SSL.

Malware 98

Malware Encryption Security Awareness Phishing 98

Security Affairs

SEPTEMBER 19, 2022

The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 and targets Docker installs. In January 2021, the cybercrime gang launched a new campaign targeting Kubernetes environments with the Hildegard malware. “Breaking the cryptographic encryption is considered “Mission: Impossible”.

Encryption 95

Encryption Cybercrime Hacking Malware 95

Malwarebytes

APRIL 4, 2023

Create a plan for patching vulnerabilities in internet-facing systems quickly; disable or harden remote access like RDP and VPNs; use endpoint security software that can detect exploits and malware used to deliver ransomware. Stop malicious encryption. How to avoid ransomware Block common forms of entry. Detect intrusions.

Encryption 90

Encryption Ransomware Backups Scams 90

eSecurity Planet

FEBRUARY 16, 2021

Malware, short for “malicious software,” is any unwanted software on your computer that, more often than not, is designed to inflict damage. Since the early days of computing, a wide range of malware types with varying functions have emerged. Best Practices to Defend Against Malware. Jump ahead: Adware. RAM scraper.

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Malware Adware Spyware Antivirus 104

Krebs on Security

JUNE 8, 2023

But experts say that is exactly what transpired this week with Barracuda Networks , as the company struggled to combat a sprawling malware threat which appears to have undermined its email security appliances in such a fundamental way that they can no longer be safely updated with software fixes. Campbell, Calif. They don’t need it.

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Firmware Malware Software Ransomware 317

Malwarebytes

MARCH 25, 2021

Researchers at Guardicore have identified a new infection vector being used by the Perkiler malware where internet-facing Windows machines are breached through SMB password brute force. Perkiler is a complex Windows malware with rootkit components that is dropped by the Purple Fox exploit kit (EK) and was spread by phishing campaigns.

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Malware Passwords Internet Internet 134

eSecurity Planet

JANUARY 26, 2023

Security researchers are warning that Google Ads are being actively leveraged to distribute malware to unsuspecting victims searching for software downloads. On January 20, CronUp researcher Germán Fernández warned that the DEV-0569 ransomware group is using Google Ads to distribute Gozi/Ursnif malware, RedLine stealer, and Royal ransomware.

Malware 120

Malware Ransomware Software Cryptocurrency 120

SiteLock

AUGUST 27, 2021

We teach our kids not to share anything on the internet that they wouldn’t want their grandmothers to see. What Is PGP Encryption? PGP works by encrypting email between two people who each have unique digital fingerprints known as PGP keys. This encrypted channel keeps unwanted observers out of the email conversation.

Encryption 52

Encryption Firewall Technology Internet 52

Malwarebytes

FEBRUARY 17, 2023

The tag-team campaign serves up ransomware known as Mortal Kombat, which borrows the name made famous by the video game, and Laplas Clipper malware, a clipboard stealer. The BAT loader kicks off a chain of events that results in the download and execution of the ransomware or the clipper malware, from one of two URLs.

Ransomware 82

Ransomware Malware Cryptocurrency Encryption 82

Security Affairs

OCTOBER 31, 2022

In the early afternoon of Friday 12 May 2017, the media broke the news of a global computer security attack carried out through a malicious code capable of encrypting data residing in information systems and demanding a ransom in cryptocurrency to restore them, the Wannacry ransomware. The infection chain. Cryptolocker and exploit components.

Malware 97

Malware Computers and Electronics Encryption Ransomware 97

Security Boulevard

APRIL 1, 2021

The post New Research: Fileless Malware Attacks Surge by 900% and Cryptominers Make a Comeback, While Ransomware Attacks Decline appeared first on Security Boulevard. The report includes exciting. The report includes exciting.

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Malware Ransomware IoT Encryption 98

Security Affairs

FEBRUARY 5, 2021

The TeamTNT hacker group has been employing a new piece of malware, dubbed Hildegard, to target Kubernetes installs. The hacking group TeamTNT has been employing a new piece of malware, dubbed Hildegard, in a series of attacks targeting Kubernetes systems. The malware deploys the XMRig mining tool to mine Monero cryptocurrency.

Malware 109

Malware DNS Cryptocurrency Internet 109

eSecurity Planet

OCTOBER 21, 2022

Anyone who has used a computer for any significant length of time has probably at least heard of malware. Malware has been present in the digital space since the 1980s, with early prank malware like the Morris Worm or the (c)Brain. However, malware is not quite as amusing in a modern context. How Does Malware Work?

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Malware Adware Spyware Antivirus 75

SiteLock

AUGUST 27, 2021

The Diffie-Helman Exchange (DHE) allows two parties – a browser and server in our case – to exchange prime numbers in a secure manner which are then used to create a shared secret used to encrypt a session. Could HTTPS Encryption Be Compromised? Stay tuned to the SiteLock Blog for the latest security developments.

Encryption 52

Encryption System Administration Firewall Internet 52

Malwarebytes

AUGUST 22, 2023

Given the great many users of WinRAR the impact of these vulnerabilities could be substantial, knowing that similar flaws were abused by hackers in the past to install malware. Create a plan for patching vulnerabilities in internet-facing systems quickly; and disable or harden remote access like RDP and VPNs. Stop malicious encryption.

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Malware Backups Software Ransomware 95