The ePrivacy Directive is a European Union (EU) directive that aims to protect the confidentiality of electronic communications and prevent their indiscriminate interception or monitoring. It was adopted in 2002 and amended in 2009. It applies to all providers of electronic communication services, such as internet service providers, mobile network operators, and online platforms12.
One of the main objectives of the ePrivacy Directive is to ensure that the retention of communications traffic data for law enforcement purposes is subject to strict conditions and safeguards. Communications traffic data refers to any information relating to the transmission or routing of electronic communications, such as IP addresses, timestamps, and metadata3. Such data can be used by competent national authorities for the prevention, investigation, detection or prosecution of criminal offences and safeguarding national security4.
However, the ePrivacy Directive does not allow individual EU member states to engage in such data retention without harmonizing their rules. Article 6(1)(b) of the directive states that "Member States shall ensure that any measures taken by them in relation to the retention of traffic data are consistent with this Directive". Therefore, each EU member state must adopt a national law that complies with the requirements and limitations set by the directive12.
The Data Retention Directive (DRD) was a previous EU directive that aimed to establish a common framework for the retention of communications traffic data for law enforcement purposes across all EU member states. It was adopted in 2006 and amended in 2010. However, it was annulled by the Court of Justice of the European Union (CJEU) in 2014 on procedural grounds. The CJEU found that some provisions of the DRD were inconsistent with other EU directives and principles, such as Article 8(2) of the Charter of Fundamental Rights (CFR), which protects individuals from arbitrary interference with their privacy56.
The GDPR is a new EU regulation that implements some aspects of the DRD into national law through its provisions on processing personal data. However, it does not address directly the issue of communications traffic data retention for law enforcement purposes. Instead, it requires providers to implement appropriate technical and organisational measures to ensure a level of security appropriate to the risk involved in processing personal data. These measures include encryption, pseudonymisation, access control, and accountability7 . The GDPR also grants individuals certain rights regarding their personal data, such as access, rectification, erasure, portability, and objection7 .
Therefore, under current EU law, there is no single legal basis for retaining communications traffic data for law enforcement purposes across all EU member states. Each member state must adopt its own national law that respects the principles and limitations established by the ePrivacy Directive.
Reference:
ePrivacy Directive
ePrivacy Regulation
What is Communications Traffic Data?
How is Communications Traffic Data Retained?
Data Retention Directive
Data Retention Directive annulled by CJEU
General Data Protection Regulation
What are your rights regarding your personal data?

According to Article 28(2) of the GDPR, the processor may not engage another processor (sub-processor) without the prior specific or general written authorization of the controller. In the case of general written authorization, the processor must inform the controller of any intended changes concerning the addition or replacement of other processors, thereby giving the controller the opportunity to object to such changes.
Furthermore, Article 28(4) of the GDPR states that where a processor engages another processor for carrying out specific processing activities on behalf of the controller, the same data protection obligations as set out in the contract or other legal act between the controller and the processor shall be imposed on that other processor by way of a contract or other legal act under Union or Member State law, in particular providing sufficient guarantees to implement appropriate technical and organizational measures in such a manner that the processing will meet the requirements of the GDPR. Therefore, the processor must ensure that the sub- processor complies with data processing obligations that are equivalent to those that apply to the processor. References:
* Article 28 of the GDPR
* European Data Protection Law & Practice textbook, Chapter 6: Data Processing Obligations, Section
6.3: Processor Obligations, Subsection 6.3.2: Sub-processors

According to the GDPR, a transfer of personal data to a third country or an international organisation may take place only if the conditions laid down in Chapter V of the GDPR are complied with by the controller and processor, including for onward transfers of personal data from the third country or an international organisation to another third country or to another international organisation1. A third country is any country outside of the European Union (EU) and the European Economic Area (EEA)2. Therefore, a transfer impact assessment is only required when personal data is transferred to a third country or an international organisation that does not provide an adequate level of data protection, as recognised by the European Commission3. HRYourWay is a German based company, and Germany is a member state of the EU and the EEA. Thus, HRYourWay is not located in a third country, and no transfer impact assessment is needed for transferring personal data to it. The other options are incorrect, as they are not relevant to the question of whether a transfer impact assessment is required or not. References:
* GDPR, Chapter V
* GDPR, Article 4 (24)
* GDPR, Article 45