Heimadal Security

OCTOBER 14, 2022

Pursuant to Microsoft’s July press release regarding the default enforcement of Account Lockout policies for local administrators, Heimdal® has published the findings of its report on Brute-Force-type events in the context of H.O.M (i.e., Human Operated Malware).

Accountability 88

Accountability Malware 88

SiteLock

AUGUST 17, 2021

A brute force attack is an increasingly popular method through which hackers gain unauthorized access to sensitive data by guessing passwords. Verizon’s 2020 Data Breach Investigations Report found that over 80% of data breaches are caused by hacking involving “brute force or the use of lost or stolen credentials.”

Data breaches 98

Data breaches Passwords Hacking Malware 98

Heimadal Security

AUGUST 11, 2021

It’s certainly no joke that literally anyone can become the target of a cyberattack, both at home and at work, and the recent brute force attack alert that I had on my home Synology NAS server a few days ago proves it. When I noticed the alert I naturally tightened the brute force rules, but […].

Hacking 105

Hacking 105

Heimadal Security

MAY 3, 2022

The post SECURITY ALERT: Active Golang-Written Botnet StealthWorker Infects Thousands of Websites via Distributed Brute-Force Attacks. appeared first on Heimdal Security Blog. The botnet StealthWorker (GoBrut) has achieved an impressive number of hits in a brief span of time, by […].

Cybersecurity 115

Cybersecurity 115

Heimadal Security

AUGUST 10, 2021

the Taiwanese organization that specializes in Network-attached storage (NAS) appliances, has recently informed its clients of the StealthWorker malware which is attempting to attack their NAS devices. The post Synology Recently Noticed a Rise in Brute-force Attacks on NAS Devices appeared first on Heimdal Security Blog.

Malware 98

Malware Cybersecurity 98

Security Boulevard

NOVEMBER 29, 2021

The first time I encountered brute force attacks I was a hosting specialist who received calls from frustrated site owners that wanted to know who’d gained access to their server. I’ve learned more about SSH Brute Force attacks throughout my years at Sucuri.

Education 52

Education Malware Network Security 52

Heimadal Security

JULY 2, 2021

NSA recently released a new advisory, in which it states that the Russian GRU’s 85th Main Special Service Center (GTsSS), military unit 26165, has been using a Kubernetes cluster since 2019 in order to perform password spray attacks on US and foreign organizations that are including the US government and Department of Defense agencies.

Passwords 73

Passwords Government Cybersecurity 73

Heimadal Security

MARCH 26, 2021

Leading computing, networking, and storage solution innovator QNAP has recently warned its customers of ongoing attacks targeting QNAP Network-Attached Storage (NAS) devices. The post NAS Devices Still Targeted by Brute-Force Attacks, QNAP Warns appeared first on Heimdal Security Blog.

Passwords 52

Passwords Accountability Malware Cybersecurity 52

Security Affairs

AUGUST 8, 2019

Avast spotted a new strain of Clipsa malware that is used to mine and steal cryptocurrencies along with carrying out brute-force attacks on WordPress sites. Avast recently discovered a new strain of Clipsa malware that is able to scan the Internet and launches brute-force attacks on WordPress sites.

Malware 89

Malware Cryptocurrency Passwords Internet 89

Security Boulevard

MARCH 10, 2022

The prevalence of brute force and credential stuffing attacks Brute force and credential stuffing attacks are constant threats to organizations across the private and public sectors.

Cyber threats 52

Cyber threats Accountability Banking Cybercrime 52

Heimadal Security

MAY 22, 2023

Chinese researchers discovered a new type of attack targeting smartphones. BrutePrint is a brute-force attack that can bypass fingerprint authentication. They managed to breach security measures enabled for brute-force attacks like attempt limits and liveness detection.

Authentication 102

Authentication Passwords Accountability Cybersecurity 102

Anton on Security

JULY 7, 2022

This is my completely informal, uncertified, unreviewed and otherwise completely unofficial blog inspired by my reading of our third Threat Horizons Report ( full version ) that we just released ( the official blog for #1 report , my unofficial blog for #2 ). cloud ransomware isn’t really ‘a ware’, but a RansomOp where humans?—?not

Cybersecurity 246

Cybersecurity Cryptocurrency Ransomware Education 246

Heimadal Security

JUNE 21, 2023

Threat actors brute-forced Linux SSH servers to deploy Tsunami DDoS bot, ShellBot, log cleaners, privilege escalation tools, and an XMRig (Monero) coin miner. Hackers port scanned for publicly exposed Linux SSH servers and brute-forced username-password pairs to log in to the server.

DDOS 80

DDOS Cryptocurrency Hacking Passwords 80

Heimadal Security

JANUARY 17, 2024

The National Cyber Security Centre Finland announced a surge in Akira ransomware attacks. Threat actors used Akira malware in six out of the seven ransomware attacks reported in December 2023. The attackers used VPNs that lacked multi-factor authentication.

Ransomware 76

Ransomware Authentication Malware Cybersecurity 76

Heimadal Security

JANUARY 10, 2024

Mimic ransomware attacks on MSSQL servers explained According to security researchers, the attacks followed a series of steps: Obtain initial access through brute force After gaining access to the victim`s server, hackers use the […] The post Turkish Hackers Target Microsoft SQL Servers with Mimic Ransomware appeared first on Heimdal Security (..)

Ransomware 83

Ransomware Cybersecurity 83

Schneier on Security

MAY 23, 2022

The problem here is that an attacker who has access to the encrypted licence data (whether that be through accessing a phone backup, direct access to the device or remote compromise) could easily brute-force this 4-digit PIN by using a script that would try all 10,000 combinations… […].

Encryption 268

Encryption Backups Passwords 268

The Last Watchdog

AUGUST 29, 2022

Web application attacks directed at organizations’ web and mail servers continue to take the lead in cybersecurity incidents. Brute forcing passwords (10 percent) came in third. This data strongly indicates that password management and 2FA are crucial for any organization or startup to become more secure from web attacks.

Hacking 201

Hacking Passwords Password Management Data breaches 201

Heimadal Security

AUGUST 17, 2023

Rampant Account Hijacking and Extortion LinkedIn, the professional networking platform, is facing a surge of account breaches, with hackers resorting to both brute-force attacks and leaked credentials to […] The post Cyber Alert: Global Campaign Targets LinkedIn Accounts appeared first on Heimdal Security Blog.

Accountability 95

Accountability Cybersecurity 95

The Last Watchdog

JULY 24, 2023

Today, bad actors are ruthlessly skilled at cracking passwords – whether through phishing attacks, social engineering, brute force, or buying them on the dark web. Not only are passwords vulnerable to brute force attacks, but they can also be easily forgotten and reused across multiple accounts.

Authentication 245

Authentication Passwords Phishing Social Engineering 245

Security Boulevard

JUNE 11, 2021

Brute force attacks have a similar share, accounting for 18% of all breaches, and 34% of those for small businesses. Why are password attacks like brute forcing so effective? Let’s take a look at three kinds of password attacks that present a real threat to sites and businesses of all sizes.

Passwords 96

Passwords Small Business Data breaches Accountability 96

Anton on Security

NOVEMBER 2, 2023

This is my completely informal, uncertified, unreviewed and otherwise completely unofficial blog inspired by my reading of our eighth Threat Horizons Report ( full version ) that we just released ( the official blog for #1 report , my unofficial blogs for #2 , #3 , #4 , #5 , #6 and #7 ). as usual, shocking but not surprising.

Cybersecurity 130

Cybersecurity Healthcare Account Security Accountability 130

CyberSecurity Insiders

MAY 18, 2021

Stories from the SOC is a blog series that describes recent real-world security incident investigations conducted and reported by the AT&T SOC analyst team for AT&T Managed Threat Detection and Response customers. The post Stories from the SOC -SSH brute force authentication attempt tactic appeared first on Cybersecurity Insiders.

Authentication 75

Authentication Threat Detection Cybersecurity Cyber threats 75

Heimadal Security

APRIL 20, 2023

Attackers are breaking into Microsoft SQL (MS-SQL) servers to install Trigona ransomware payloads and encrypt all files. By using account credentials that are simple to guess, brute-force or dictionary attacks are being used to access the MS-SQL servers.

Ransomware 70

Ransomware Encryption Internet Internet 70

Anton on Security

OCTOBER 12, 2022

This is my completely informal, uncertified, unreviewed and otherwise completely unofficial blog inspired by my reading of our fourth Threat Horizons Report ( full version ) that we just released ( the official blog for #1 report , my unofficial blog for #2 , my unofficial blog for #3 ). login once?—?get

Cybersecurity 246

Cybersecurity Malware Accountability Authentication 246

Security Affairs

MAY 14, 2023

The bot borrows a large portion of its code from the original Mirai botnet, but unlike other IoT malware families, it implements a built-in capability to brute force credentials and gain access to SSH servers instead of Telnet as implemented in Mirai. The bot runs a shell command to replace remote victims’ ~/.ssh/authorized_keys

IoT 96

IoT Malware Passwords Authentication 96

Malwarebytes

AUGUST 28, 2023

The Cisco Product Security Incident Response Team (PSIRT) has posted a blog about Akira ransomware targeting VPNs without Multi-Factor Authentication (MFA). In a brute force attack, attackers typically try a lot of common passwords, or a few common passwords across many usernames which is called password spraying.

Ransomware 84

Ransomware VPN Passwords Backups 84

Security Affairs

MAY 20, 2022

XORDDoS , also known as XOR.DDoS , first appeared in the threat landscape in 2014 it is a Linux Botnet that was employed in attacks against gaming and education websites with massive DDoS attacks that reached 150 gigabytes per second of malicious traffic. ” concludes the report. ” concludes the report. Pierluigi Paganini.

DDOS 97

DDOS Architecture Education Hacking 97

Security Affairs

APRIL 20, 2023

The attackers launch brute-force or dictionary attacks against the server in an attempt to guess account credentials. “Admins must also use passwords that cannot be easily guessed and change them periodically to protect the database servers from brute force and dictionary attacks.”

Ransomware 86

Ransomware Malware Encryption Hacking 86

NetSpi Technical

JANUARY 18, 2024

The code needed to brute force the TOTP code had been written, and now it was just a matter of time. I started wondering about the probabilities of brute forcing TOTP. I knew that the lack of rate limiting created a security risk: an attacker with knowledge of a valid credential pair could brute force the PIN.

Authentication 115

Authentication Passwords Accountability Penetration Testing 115

Malwarebytes

MARCH 29, 2024

Simply put, MFA bombing (also known as “push bombing” or “MFA fatigue”) is a brute force attack on your patience. Now, according to this blog by Bran Krebs , these attacks have evolved. Cybercriminals use MFA bombing to break into accounts that are protected by multi-factor authentication (MFA).

Passwords 127

Passwords Accountability Mobile Authentication 127

Security Affairs

MAY 18, 2022

Microsoft warns of brute-forcing attacks targeting Microsoft SQL Server (MSSQL) database servers exposed online. Microsoft warns of a new hacking campaign aimed at MSSQL servers, threat actors are launching brute-forcing attacks against poorly protected instances. To nominate, please visit:?

Security Intelligence 99

Security Intelligence Hacking Accountability Malware 99

Security Affairs

MAY 13, 2023

Preliminary investigations indicate that Checkmate attacks via SMB services exposed to the internet and employs a dictionary attack to break accounts with weak passwords. Once the attacker successfully logs in to a device, they encrypt data in shared folders and leave a ransom note with the file name “!

Ransomware 92

Ransomware Encryption Passwords Internet 92

Heimadal Security

FEBRUARY 19, 2021

Failed credential-stuffing attack on RIPE NCC’s infrastructure. The post RIPE NCC reveals failed brute-force assault on its SSO service appeared first on Heimdal Security Blog. These assaults aim to compromise a large number of user accounts with stolen credentials.

Accountability 52

Accountability Cybersecurity 52

Krebs on Security

NOVEMBER 17, 2022

” Peter, who spoke candidly about the attack on condition of anonymity, said the FBI told him to contact a cybersecurity consulting firm in New Jersey called Unit 221B , and specifically its founder — Lance James. Then came the unlikely call from an FBI agent. “Don’t pay,” the agent said.

Ransomware 309

Ransomware Encryption Backups Manufacturing 309

Heimadal Security

SEPTEMBER 9, 2021

has charged him for using a malware botnet to conduct brute-force attacks meant to decrypt multiple computer login credentials simultaneously. Following the attack, Ivanov-Tolpintsev allegedly sold the login credentials through an unnamed online marketplace […].

Passwords 63

Passwords Malware Cybersecurity 63

Malwarebytes

AUGUST 1, 2022

New version includes 11 important security patches Lightning Framework, modular Linux malware Malware spent months hoovering up credit card details from 300 US restaurants Lock down your Neopets account: Data breach being investigated Demo: Your data has been encrypted!

Data breaches 83

Data breaches Ransomware Mobile Cybercrime 83

CyberSecurity Insiders

OCTOBER 18, 2021

This blog was written by an independent guest blogger. Having a weak password policy is a key vector for attackers to gain system access. This policy helps to mitigate password attacks like brute force by pairing with several other policies like lockout policy. The policy says: Use encryption for passwords.

Passwords 136

Passwords Accountability Encryption Architecture 136