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BSI

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Cyberattack encrypts systems at Bavarian municipal utility

Hackers encrypted the central IT network of Bavarian utility Stadtwerke Landsberg, disrupting office systems but not electricity or water services.

Stadtwerke Landsberg said hackers encrypted its central IT network overnight on Sept. 1, prompting disconnection from the internet, crisis-team activation and external forensic support. Essential electricity and water services were unaffected, but staff availability was limited and customer data such as names, addresses and bank details may have been accessed. No ransomware group was named and no extortion demand was confirmed. The attack follows a similar late-June encryption incident at a North Rhine-Westphalia municipal utility, and the BSI consistently ranks ransomware among Germany's most serious cyber threats.

The Record · 7d agoRansomware in the wild

Berlin investigates new data leak after hackers publish stolen login credentials

Berlin investigates a fresh leak after Rhysida hackers published stolen login credentials; the city refuses to pay the ransom demand.

Berlin confirmed hackers published additional stolen data, including login credentials, from a mid-August cyberattack on two city ministries responsible for urban development/housing and transport/climate. The Rhysida ransomware group claimed the breach in late August, saying it stole 5.79 TB of data including contracts, emails, passwords and classified information; Berlin acknowledged an extortion demand but refused to pay. Berlin's data protection regulator said the leak includes personal data on public employees and possibly residents, such as names, addresses, dates of birth and bank information. Germany's BSI separately linked the campaign to the TerminalFix fake-CAPTCHA technique and the LoremIpsumLoader/AxolotLoader malware tied to financially motivated Rhysida-associated hackers, days before Berlin's Sept. 20 election.

The Record · 8d agoRansomware in the wild

The G7 tells industry to hurry up and prep for post-quantum encryption

A G7 working group report urges governments and industry to accelerate post-quantum cryptography migration, framing quantum risk as a near-term economic threat.

A cybersecurity working group formed at the June 2026 G7 Summit in France called on organizations to stop postponing migration of critical systems to post-quantum cryptography, warning that harvest-now-decrypt-later attacks against currently encrypted data exist today. The report was signed by CISA, the UK NCSC, France's ANSSI, Germany's BSI, Canada's CSE, Japan's NCO, and Italy's ACN. It also cautions that some NIST-selected PQC algorithms have already been broken on classical computers, reinforcing support for crypto-agility. The push aligns with a recent US executive order moving federal PQC migration timelines from 2035 to 2030, while Google and others target 2029.

CyberScoop · 12d agoPolicy & legal

Nearly 22,000 Microsoft Exchange servers remain exposed to critical security flaw (CVE-2026-62911)

About 22,000 Microsoft Exchange servers remain unpatched against critical auth bypass CVE-2026-62911 as a working exploit circulates online.

CVE-2026-62911 is a critical authentication bypass by capture-replay in Microsoft Exchange Server that allows an authorized attacker to elevate privileges over the network, with a CVSS score of 8.0. Microsoft patched the flaw on August 11, 2026, but Shadowserver Foundation scans show roughly 22,000 servers unpatched, with the US (6,200) and Germany (5,100) leading; BSI reports 85% of on-premises Exchange servers in Germany are still vulnerable. The Netherlands' NCSC-NL flagged that a working exploit is circulating, and Exchange 2016/2019 require the Extended Security Updates program for fixes.

Help Net Security · 13d agoExploit / PoC in the wildCVE-2026-62911CVE-2026-42897

Rhysida Ransomware Group Targets Berlin Government Ahead of Vote

Rhysida ransomware hit Berlin's state government weeks before the September 20 election, claiming 5.79 TB stolen; officials refused the ransom.

Berlin's government confirmed an August cyberattack on its administrative network, with data exfiltrated between August 7 and August 12 and departments isolated on August 17. The Rhysida group claimed responsibility on August 28, alleging theft of 5.79 TB and 1.44 million files including personal data on 12,076 individuals, payroll files, plaintext credentials, and vulnerability analyses of Berlin's water supply. Officials said election systems were not affected and refused to pay; Rhysida has claimed roughly 280 victims since 2023, entering via VPNs without MFA, Zerologon, or phishing.

Security Affairs · 17d agoRansomware in the wild

Berlin Refuses to Pay Hackers Who Stole Data From the City's State Network

Berlin refuses ransom demands after Rhysida claimed stealing 5.79 TB from the city-state network, including mobility department data on 12,076 individuals.

Berlin's state government confirmed an extortion attempt following the August compromise of its state administrative network and said it will not pay. Forensics found data exfiltrated from the Senate Department for Mobility, Transport, Climate Protection and Environment between August 7 and 12, 2026; Rhysida's leak site claims 5.79 TB, 1.44 million files, and personal data on 12,076 individuals. State criminal police, prosecutors, and federal authorities are investigating, and officials say the September 20 Abgeordnetenhaus election environment remains unaffected. Separately, Manchester Airports Group confirmed theft of customer data including emails, phone numbers, and vehicle registrations across three airports.

The Hacker News · 18d agoRansomware in the wildCVE-2020-1472

Related CVEs

  • CVE-2026-428976.171%
    Cross-Site Scripting in Microsoft Exchange Server Actively Exploited by Laundry Bear
    CVE-2026-42897 is an improper-neutralization flaw (CWE-79) in Microsoft Exchange Server that lets an unauthenticated remote attacker perform cross-site scripting and carry out spoofing. Per the CVSS vector (AV:N/PR:N/UI:R), exploitation requires a victim to interact with attacker-controlled content — reported attacks by the Russian actor Laundry Bear (TA488) trigger when a crafted email is opened in Exchange's webmail interface (Outlook Web Access). The attacker gains the ability to spoof the victim within their webmail session, and reported intrusions show mailbox access persisting even after organizations rotate credentials. Any organization running on-premises Microsoft Exchange Server or Exchange Server Subscription Edition is potentially exposed, particularly those publishing webmail to the internet; specific affected version ranges are not provided in the available data. Exploitation is confirmed in the wild: the flaw was added to CISA KEV on 2026-05-15 and carries a very high EPSS score of 71.2%, though no public proof-of-concept is known.
    · Microsoft Exchange Server · Microsoft Exchange Server Subscription Edition KEVlarge
  • CVE-2020-14725.599%
    Unauthenticated Privilege Escalation (Zerologon) in Microsoft Netlogon Domain Controllers
    CVE-2020-1472, widely known as "Zerologon," is an elevation-of-privilege flaw in how the Netlogon secure channel is established over the Netlogon Remote Protocol (MS-NRPC) on Microsoft domain controllers. An unauthenticated attacker with network reachability to a domain controller sends specially crafted Netlogon messages to establish a vulnerable secure channel and then runs a specially crafted application on the network to obtain domain administrator access. Successful exploitation yields domain administrator privileges, effectively full compromise of the Active Directory environment, and the flaw is known to be used in ransomware operations. Any organization running affected Windows Server versions (2008 through 20H2) as domain controllers is exposed, along with environments using Netlogon implementations from Samba and distributions or products from Fedora, openSUSE, Canonical (Ubuntu), Debian, Synology, and Oracle. Exploitation is highly active: a public Zerologon PoC/exploit is available, the flaw is on CISA's Known Exploited Vulnerabilities catalog (added 2021-11-03, with known ransomware use), and EPSS estimates a 99.4% probability of exploitation within 30 days.
    · Microsoft Windows Server (when acting as a domain controller) · Samba (Netlogon secure channel implementation) KEV ransomware PoC mass
  • CVE-2026-629118.01%
    Capture-Replay Authentication Bypass in Microsoft Exchange Server
    Microsoft Exchange Server contains an authentication bypass flaw (CWE-294) in which captured authentication material can be replayed, allowing an authorized attacker to elevate privileges over a network. Per the CVSS vector, the attack is network-based with low complexity but requires the attacker to already hold low privileges and some user interaction, and success yields high impact on confidentiality, integrity, and availability. Affected products include on-premises Exchange Server and Exchange Server Subscription Edition, though specific vulnerable version ranges are not specified in the available data. Public scans indicate nearly 22,000 Exchange servers remain exposed to the flaw following the August 2026 Patch Tuesday fixes. No in-the-wild exploitation, public proof-of-concept, or KEV listing is known; the bug was demonstrated at Pwn2Own (ZDI-26-534) and carries an EPSS estimate of 1.3% probability of exploitation within 30 days.
    · microsoft exchange server · microsoft exchange server subscription editionlarge

Appears with

organization CISA 3vendor Microsoft 3threat actor Rhysida 3organization FBI 2victim Berlin 2organization MS-ISAC 2organization British Library 1organization ANSSI 1threat actor Vice Society 1organization DEVCORE Research Team 1organization Der Spiegel 1organization G7 1organization Microsoft 1malware LoremIpsumLoader 1organization NCSC 1organization CSE 1
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